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Williams, CA Weather
Today: Mostly Cloudy, high 66°F, low 45°F. Hourly and 7-day forecast from the National Weather Service. Times are local (PDT).
Williams, CA current weather
55°F
Mostly Cloudy
Forecast for this hour. No recent report from a nearby station.
H 66° / L 45°
5° cooler than yesterday at this time
- Wildfire smoke overhead: medium
No rain expected in the next 12 hours
No recent station report. NWS hourly forecast updated 10/29/2026, 11:31 AM PT
Hourly forecast
NWS, updated 10/29/2026, 11:31 AM PT
7-day forecast
Tap a day for details
Today10/29Low 45°High 66°
Today: Mostly cloudy, with a high near 66. East wind around 5 mph.
Tonight: Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. East wind 0 to 3 mph.
Mostly CloudyFri10/30Low 46°High 68°
Friday: Patchy fog before 9am. Sunny, with a high near 68. Northeast wind 1 to 5 mph.
Friday Night: Mostly cloudy, with a low around 46. West southwest wind 0 to 3 mph.
Patchy Fog then SunnySat10/3134% chance of precipitationLow 46°High 63°
Saturday: Areas of fog before 10am, then a chance of rain. Mostly cloudy, with a high near 63. East southeast wind 0 to 6 mph. Chance of precipitation is 30%.
Saturday Night: A chance of rain before 4am. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Areas Of Fog then Chance Light RainSun11/1Low 46°High 65°
Sunday: Mostly sunny, with a high near 65.
Sunday Night: Mostly clear, with a low around 46.
Mostly SunnyMon11/2Low 45°High 68°
Monday: Mostly sunny, with a high near 68.
Monday Night: Mostly cloudy, with a low around 45.
Mostly SunnyTue11/3Low 46°High 68°
Tuesday: Mostly sunny, with a high near 68.
Tuesday Night: Partly cloudy, with a low around 46.
Mostly SunnyWed11/410% chance of precipitationLow 46°High 67°
Wednesday: Mostly sunny, with a high near 67.
Wednesday Night: Mostly cloudy, with a low around 46.
Mostly Sunny
Forecast for 39.148, -122.154 from the NWS STO office, updated 10/29/2026, 11:31 AM PT · Official forecast on weather.gov
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Next 6 hours
NWS hourly forecast
- Now55°Mostly Cloudy0%3 mph
- 12 PM58°Mostly Cloudy0%3 mph
- 1 PM62°Mostly Cloudy0%3 mph
- 2 PM64°Mostly Cloudy0%3 mph
- 3 PM64°Partly Sunny0%3 mph
- 4 PM65°Mostly Cloudy0%5 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
Observed today
Since midnight, vs yesterday and normal
Today's high so far is 16° below the normal of 72° and 17° cooler than yesterday's high.
- High so far
- 56°
- 16° below normal
- Low so far
- 43°
- Normal low 45°
- Precipitation
- --
- Not reported by this station
- Yesterday
- High 73° · Low 41°
- Normal for today
- High 72° · Low 45°
Observed at SAC NWR (NWRC1) since midnight local time, through 11:29 AM. Station reports are preliminary and not quality controlled. Normals are estimated from 1991 to 2020 monthly normals at Colusa 2 Ssw.
Radar and satellite
National radarNEXRAD (up to 24 hours) and GOES
Frequently asked questions
- What is the high temperature today in Williams, CA?
- The National Weather Service forecast for today calls for a high near 66°F. Mostly Cloudy.
- Will it rain in Williams, 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 time is sunrise and sunset in Williams, CA today?
- Sunrise is about 7:33 AM PDT and sunset is about 6:11 PM PDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Williams, CA?
- At Colusa 2 Ssw, the 1991 to 2020 normal high in October is 79°F and the normal low is 48°F.
Nearby hazards
California hazardsSevere 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
UV and air quality forecast
EPA and AirNow
- AQI forecast today (Gridley)
- GoodPM2.5
- AQI forecast tomorrow (Gridley)
- GoodPM2.5
Drought
By countyColusa County, week of 10/27/2026
100% of the county is abnormally dry. No drought.
Sun and moon
Local time, center of the area
- Sunrise
- 7:33 AM
- Sunset
- 6:11 PM
- Daylight
- 10 hr 38 min
- Moon
- Waning Gibbous 86% lit
- First light (civil dawn)
- 7:05 AM
- Last light (civil dusk)
- 6:38 PM
- Moonrise
- 8:48 PM
- Moonset
- 11:51 AM
Normal October weather
ClimateNormal October high 79°, low 48°, precipitation 0.87 in for the month. 1991 to 2020 normals at Colusa 2 Ssw, 7 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA
- 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
Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.
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