What is the weather in Foster City, CA right now?

The latest observation from San Francisco, San Francisco International Airport was 59°F and mostly clear, reported at 10/26/2026, 9:10 PM PDT.

Will it rain in Foster City, CA in the next 24 hours?

The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.

What is the 10-day forecast for Foster City, CA?

The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 3 to Nov 4) come from the NOAA National Blend of Models, with highs of 67°F to 69°F and up to a 31% chance of precipitation. Model guidance this far out often changes.

What time is sunrise and sunset in Foster City, CA today?

Sunrise is about 7:28 AM PDT and sunset is about 6:17 PM PDT (calculated for the center of the area, within a few minutes).

What is the normal October weather in Foster City, CA?

At Redwood City, the 1991 to 2020 normal high in October is 75°F and the normal low is 50°F.

Checked Oct 26, 2026

Foster City, CA Weather

Current conditions, hourly and 10-day forecast from the National Weather Service. Times are local (PDT).

Foster City, CA current weather

59°F

Mostly Clear

H 68° / L 53°Feels like 59°

4° cooler than yesterday at this time

Coastal Flood Advisory in effect
Wildfire smoke overhead: light
No rain expected in the next 12 hours

Observed at San Francisco, San Francisco International Airport (7.2 mi away), 10/26/2026, 9:10 PM PDT

1 active alert

From the National Weather Service for this forecast zone or county

State alerts

Minor1Minimal to no known threat

Coastal Flood AdvisorySan Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur CoastUntil Fri 10/30/2026, 5:00 PM PDT · NWS San Francisco CA

Hourly forecast

NWS, updated 2:52 PM

Now58°
10 PM58°
11 PM57°
Tue12 AM57°
1 AM56°
2 AM55°
3 AM54°
4 AM54°
5 AM53°
6 AM53°
7 AM53°
8 AM53°
9 AM56°
10 AM59°
11 AM61°
12 PM62°
1 PM63°
2 PM64°
3 PM64°
4 PM64°
5 PM63°
6 PM62°
7 PM59°
8 PM58°
9 PM57°
10 PM56°
11 PM55°
Wed12 AM55°
1 AM54°
2 AM52°
3 AM51°
4 AM50°
5 AM50°
6 AM50°
7 AM49°
8 AM50°
9 AM52°
10 AM56°
11 AM60°
12 PM62°
1 PM64°
2 PM66°
3 PM67°
4 PM67°
5 PM66°
6 PM64°
7 PM61°
8 PM58°

10-day forecast

Tap a day for details

Today10/26Low 53°High
Tonight: Mostly clear, with a low around 53. West northwest wind 7 to 16 mph, with gusts as high as 28 mph.
Mostly Clear
Tue10/27Low 49°High 65°
Tuesday: Mostly sunny. High near 65, with temperatures falling to around 63 in the afternoon. West northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Tuesday Night: Patchy fog between 4am and 5am. Mostly clear, with a low around 49. North wind 2 to 14 mph, with gusts as high as 23 mph.
Mostly Sunny
Wed10/28Low 51°High 68°
Wednesday: Sunny, with a high near 68. North northeast wind 2 to 9 mph.
Wednesday Night: Partly cloudy, with a low around 51. Southwest wind 2 to 9 mph.
Sunny
Thu10/29Low 51°High 66°
Thursday: Partly sunny, with a high near 66.
Thursday Night: Partly cloudy, with a low around 51.
Partly Sunny
Fri10/3015% chance of precipitationLow 50°High 63°
Friday: Mostly sunny, with a high near 63.
Friday Night: A slight chance of rain after 5am. Partly cloudy, with a low around 50.
Mostly Sunny
Sat10/3128% chance of precipitationLow 49°High 63°
Saturday: A slight chance of rain. Mostly sunny, with a high near 63.
Saturday Night: A chance of rain before 4am. Partly cloudy, with a low around 49.
Slight Chance Light Rain
Sun11/110% chance of precipitationLow 50°High 64°
Sunday: Sunny, with a high near 64.
Sunday Night: Mostly clear, with a low around 50.
Sunny
Mon11/223% chance of precipitationLow High 67°
Monday: A slight chance of rain between 4pm and 5pm. Mostly sunny, with a high near 67.
Mostly Sunny then Slight Chance Light Rain
Model blend
Tue11/3Model blend31% chance of precipitationLow 53°High 69°
Tuesday: Chance of rain. High near 69°. Low that night near 53°. About 0.15 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Wed11/4Model blend29% chance of precipitationLow 54°High 67°
Wednesday: Partly cloudy, slight chance of rain. High near 67°. Low that night near 54°. About 0.02 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 37.554, -122.264 from the NWS MTR office, updated 10/26/2026, 2:52 PM PDT · Official forecast on weather.gov

Days 9 to 10: NOAA National Blend of Models, station KSQL (San Carlos Arpt, 3 mi), model run 10/26/2026, 7:00 PM PDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

Now58°Clear0%15 mph
10 PM58°Mostly Clear0%16 mph
11 PM57°Mostly Clear0%16 mph
12 AM57°Mostly Clear0%15 mph
1 AM56°Mostly Clear1%14 mph
2 AM55°Partly Cloudy0%12 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Line: temperature °F. Bars: chance of precipitation.

MonNow58° 0% Sky 4%15g24
10 PM58° 0% Sky 8%16g28
11 PM57° 0% Sky 12%16g28
Tue 10/2712 AM57° 0% Sky 14%15g28
1 AM56° 1% Sky 20%14g28
2 AM55° 0% Sky 27%12g25
3 AM54° 0% Sky 25%9g22
4 AM54° 0% Sky 24%8g21
5 AM53° 0% Sky 35%7g20
6 AM53° 0% Sky 42%8g18
7 AM53° 0% Sky 47%8g17
8 AM53° 0% Sky 52%8g17
9 AM56° 0% Sky 54%9g17
10 AM59° 0% Sky 53%12g17
11 AM61° 0% Sky 57%12g17
12 PM62° 0% Sky 38%12g17
1 PM63° 0% Sky 37%12g18
2 PM64° 0% Sky 26%13g18
3 PM64° 0% Sky 15%14
4 PM64° 0% Sky 9%14g20
5 PM63° 0% Sky 10%14g22
6 PM62° 0% Sky 10%14g22
7 PM59° 0% Sky 10%14g22
8 PM58° 0% Sky 17%12g23
9 PM57° 0% Sky 17%12g23
10 PM56° 0% Sky 17%12g23
11 PM55° 0% Sky 19%5g13
Wed 10/2812 AM55° 0% Sky 19%5g13
1 AM54° 0% Sky 19%5g13
2 AM52° 0% Sky 39%2
3 AM51° 0% Sky 39%2
4 AM50° 0% Sky 39%2
5 AM50° 0% Sky 36%2
6 AM50° 0% Sky 36%2
7 AM49° 0% Sky 36%2
8 AM50° 0% Sky 35%3
9 AM52° 0% Sky 35%3
10 AM56° 0% Sky 35%3
11 AM60° 0% Sky 19%3
12 PM62° 0% Sky 19%3
1 PM64° 0% Sky 19%3
2 PM66° 0% Sky 13%6
3 PM67° 0% Sky 13%6
4 PM67° 0% Sky 13%6
5 PM66° 0% Sky 18%9g14
6 PM64° 0% Sky 18%9g14
7 PM61° 0% Sky 18%9g14
8 PM58° 0% Sky 25%6
9 PM56° 0% Sky 25%6
10 PM56° 0% Sky 25%6
11 PM55° 0% Sky 32%3
Thu 10/2912 AM54° 0% Sky 32%3
1 AM54° 0% Sky 32%3
2 AM53° 0% Sky 39%2
3 AM53° 0% Sky 39%2
4 AM52° 0% Sky 39%2
5 AM52° 0% Sky 53%2
6 AM51° 0% Sky 53%2
7 AM51° 0% Sky 53%2
8 AM52° 0% Sky 56%2
9 AM54° 0% Sky 56%2
10 AM58° 0% Sky 56%2
11 AM62° 0% Sky 65%3
12 PM64° 0% Sky 65%3
1 PM65° 0% Sky 65%3
2 PM66° 0% Sky 57%6
3 PM66° 0% Sky 57%6
4 PM65° 0% Sky 57%6
5 PM64° 0% Sky 56%9g14
6 PM62° 0% Sky 56%9g14
7 PM59° 0% Sky 56%9g14
8 PM58° 0% Sky 56%10g16
9 PM57° 0% Sky 56%10g16
10 PM56° 0% Sky 56%10g16
11 PM56° 0% Sky 47%13g20
Fri 10/3012 AM55° 0% Sky 47%13g20
1 AM54° 0% Sky 47%13g20
2 AM54° 0% Sky 47%9g17
3 AM53° 0% Sky 47%9g17
4 AM53° 0% Sky 47%9g17
5 AM52° 1% Sky 45%6g14
6 AM52° 1% Sky 45%6g14
7 AM51° 1% Sky 45%6g14
8 AM52° 1% Sky 45%7g12
9 AM54° 1% Sky 45%7g12
10 AM57° 1% Sky 45%7g12
11 AM60° 1% Sky 30%9g14
12 PM61° 1% Sky 30%9g14
1 PM62° 1% Sky 30%9g14
2 PM62° 1% Sky 30%13g18
3 PM62° 1% Sky 30%13g18
4 PM61° 1% Sky 30%13g18
5 PM60° 1% Sky 22%13g18
6 PM59° 1% Sky 22%13g18
7 PM57° 1% Sky 22%13g18
8 PM55° 1% Sky 22%15g22
9 PM54° 1% Sky 22%15g22
10 PM54° 1% Sky 22%15g22
11 PM54° 3% Sky 36%14g22
Sat 10/3112 AM54° 3% Sky 36%14g22
1 AM53° 3% Sky 36%14g22
2 AM52° 3% Sky 36%7g15
3 AM52° 3% Sky 36%7g15
4 AM52° 3% Sky 36%7g15
5 AM51° 15% Sky 50%2g8
6 AM50° 15% Sky 50%2g8
7 AM50° 15% Sky 50%2g8
8 AM50° 15% Sky 50%2g7
9 AM53° 15% Sky 50%2g7
10 AM57° 15% Sky 50%2g7
11 AM60° 17% Sky 47%6
12 PM61° 17% Sky 47%6
1 PM62° 17% Sky 47%6
2 PM62° 17% Sky 47%7g12
3 PM62° 17% Sky 47%7g12
4 PM61° 17% Sky 47%7g12
5 PM60° 21% Sky 40%9
6 PM59° 21% Sky 40%9
7 PM57° 21% Sky 40%9
8 PM56° 21% Sky 40%8g14
9 PM55° 21% Sky 40%8g14
10 PM55° 21% Sky 40%8g14
11 PM54° 28% Sky 52%8g14
Sun 11/112 AM53° 28% Sky 52%8g14
1 AM52° 28% Sky 52%8g14
1 AM51° 28% Sky 52%2g9
2 AM51° 28% Sky 52%2g9
3 AM51° 28% Sky 52%2g9
4 AM50° 10% Sky 27%2g7
5 AM49° 10% Sky 27%2g7
6 AM49° 10% Sky 27%2g7
7 AM50° 10% Sky 27%3
8 AM52° 10% Sky 27%3
9 AM56° 10% Sky 27%3
10 AM59° 6% Sky 16%5
11 AM62° 6% Sky 16%5
12 PM63° 6% Sky 16%5
1 PM64° 6% Sky 16%8g14
2 PM64° 6% Sky 16%8g14
3 PM63° 6% Sky 16%8g14
4 PM62° 5% Sky 12%12g17
5 PM61° 5% Sky 12%12g17
6 PM59° 5% Sky 12%12g17
7 PM57° 5% Sky 12%9g15
8 PM56° 5% Sky 12%9g15
9 PM56° 5% Sky 12%9g15
10 PM55° 4% Sky 14%7g12
11 PM54° 4% Sky 14%7g12
Mon 11/212 AM53° 4% Sky 14%7g12
1 AM53° 4% Sky 14%2g7
2 AM52° 4% Sky 14%2g7
3 AM51° 4% Sky 14%2g7
4 AM51° 3% Sky 25%1g6
5 AM50° 3% Sky 25%1g6
6 AM50° 3% Sky 25%1g6

Temperature °F · chance of precipitation · amount in inches (T = trace) · sky cover · wind and gusts (g) in mph

NWS hourly forecast updated 10/26/2026, 2:52 PM PDT

Observed today

Since midnight, vs yesterday and normal

Today's high so far is 3° below the normal of 71° and 5° cooler than yesterday's high.

High so far: 68°; 3° below normal
Low so far: 55°; Normal low 48°
Precipitation: 0.00 in; Since midnight

Yesterday: High 73° · Low 52° · Precip 0.00 in
Normal for today: High 71° · Low 48°

Observed at San Francisco, San Francisco International Airport (KSFO) since midnight local time, through 9:10 PM. Station reports are preliminary and not quality controlled. Normals are estimated from 1991 to 2020 monthly normals at Redwood City.

Radar and satellite

National radar

NEXRAD (last 50 min) and GOES

Latest

Nearby hazards

California hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
River gauges within 40 miles at or above flood stage: None reported
Active wildfires within 50 miles: None reported

Drought

By county

San Mateo County, week of 10/20/2026

No drought or abnormal dryness in this county.

Tides nearby

NOAA tide stations

Beaches nearby

EPA BEACON beaches

Frequently asked questions

What is the weather in Foster City, CA right now?: The latest observation from San Francisco, San Francisco International Airport was 59°F and mostly clear, reported at 10/26/2026, 9:10 PM PDT.
Will it rain in Foster City, CA in the next 24 hours?: The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Foster City, CA?: The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 3 to Nov 4) come from the NOAA National Blend of Models, with highs of 67°F to 69°F and up to a 31% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Foster City, CA today?: Sunrise is about 7:28 AM PDT and sunset is about 6:17 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Foster City, CA?: At Redwood City, the 1991 to 2020 normal high in October is 75°F and the normal low is 50°F.

Sun and moon

Local time, center of the area

Sunrise: 7:28 AM
Sunset: 6:17 PM
Daylight: 10 hr 49 min
Moon: Waning Gibbous 99% lit

First light (civil dawn): 7:01 AM
Last light (civil dusk): 6:44 PM
Moonrise: 6:19 PM
Moonset: 8:08 AM

Normal October weather

Climate

Normal October high 75°, low 50°, precipitation 0.87 in for the month. 1991 to 2020 normals at Redwood City, 6 mi away.

Other places nearby

Data sources

National Weather Service APINOAA
National Blend of Models (NBM) text guidanceNOAA National Weather Service
Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
National Water Prediction ServiceNOAA National Weather Service
WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
Hazard Mapping System Smoke AnalysisNOAA NESDIS Office of Satellite and Product Operations
UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
AirNowU.S. Environmental Protection Agency
NWS HeatRisk (experimental)NOAA National Weather Service
U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research

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About this data

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