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Guerneville, CA 95446 Weather
It is 64°F and clear in Guerneville, CA 95446, observed at 12:35 PM PDT. Today: Mostly Cloudy, high 66°F, low 44°F. Hourly and 10-day forecast from the National Weather Service. Times are local (PDT).
Guerneville, CA 95446 current weather
64°F
Clear
H 66° / L 44°Feels like 64°
2° cooler than yesterday at this time
- Coastal Flood Advisory in effect
No rain expected in the next 12 hours
Observed at Santa Rosa, Santa Rosa Sonoma County Airport (10.1 mi away), 10/29/2026, 12:35 PM PDT
1 active alert
From the National Weather Service for this forecast zone or county
Hourly forecast
NWS, updated 10/29/2026, 12:41 PM PT
10-day forecast
Tap a day for details
Today10/29Low 44°High 66°
This Afternoon: Mostly cloudy. High near 66, with temperatures falling to around 63 in the afternoon. South wind around 3 mph.
Tonight: Mostly cloudy, with a low around 44. Northwest wind around 1 mph.
Mostly CloudyFri10/30Low 46°High 66°
Friday: Sunny. High near 66, with temperatures falling to around 62 in the afternoon. West wind 1 to 7 mph.
Friday Night: Mostly cloudy, with a low around 46. North northwest wind 1 to 5 mph.
SunnySat10/3148% chance of precipitationLow 43°High 61°
Saturday: A chance of rain after 11am. Mostly cloudy, with a high near 61. South southeast wind 1 to 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night: A chance of rain before 4am, then patchy fog. Mostly cloudy, with a low around 43. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Chance Light RainSun11/1Low 45°High 64°
Sunday: Patchy fog before 7am. Sunny, with a high near 64.
Sunday Night: Mostly clear, with a low around 45.
Patchy Fog then SunnyMon11/2Low 46°High 68°
Monday: Partly sunny, with a high near 68.
Monday Night: Mostly cloudy, with a low around 46.
Partly SunnyTue11/313% chance of precipitationLow 47°High 68°
Tuesday: Mostly sunny, with a high near 68.
Tuesday Night: Partly cloudy, with a low around 47.
Mostly SunnyWed11/420% chance of precipitationLow 49°High 66°
Wednesday: A slight chance of rain after 4pm. Mostly sunny, with a high near 66.
Wednesday Night: A slight chance of rain. Mostly cloudy, with a low around 49.
Mostly Sunny then Slight Chance Light RainThu11/5Model blend21% chance of precipitationLow 41°High 68°
Thursday: Mostly cloudy, slight chance of rain. High near 68°. Low that night near 41°. About 0.04 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.
Fri11/6Model blend29% chance of precipitationLow 41°High 68°
Friday: Partly cloudy, slight chance of rain. High near 68°. Low that night near 41°. About 0.01 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.
Sat11/7Model blend15% chance of precipitationLow 41°High 69°
Saturday: Partly cloudy. High near 69°. Low that night near 41°. About 0.05 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 38.516, -123.003 from the NWS MTR office, updated 10/29/2026, 12:41 PM PT · Official forecast on weather.gov
Days 8 to 10: NOAA National Blend of Models, station KSTS (Santa Rosa/Schulz Arpt, 10 mi), model run 10/29/2026, 7:00 AM 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
- Now62°Mostly Cloudy0%1 mph
- 1 PM64°Partly Sunny1%2 mph
- 2 PM66°Partly Sunny1%3 mph
- 3 PM66°Partly Sunny1%3 mph
- 4 PM64°Mostly Cloudy0%3 mph
- 5 PM63°Mostly Cloudy1%3 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 4° below the normal of 68° and 9° cooler than yesterday's high.
- High so far
- 64°
- 4° below normal
- Low so far
- 41°
- Normal low 49°
- Precipitation
- 0.00 in
- Since midnight
- Yesterday
- High 73° · Low 39° · Precip 0.00 in
- Normal for today
- High 68° · Low 49°
Observed at Santa Rosa, Santa Rosa Sonoma County Airport (KSTS) since midnight local time, through 12:35 PM. Station reports are preliminary and not quality controlled. Normals are estimated from 1991 to 2020 monthly normals at Occidental.
Radar and satellite
National radarNEXRAD (up to 24 hours) and GOES
Frequently asked questions
- What is the weather in Guerneville, CA 95446 right now?
- The latest observation from Santa Rosa, Santa Rosa Sonoma County Airport was 64°F and clear, reported at 10/29/2026, 12:35 PM PDT.
- What is the high temperature today in Guerneville, CA 95446?
- The National Weather Service forecast for this afternoon calls for a high near 66°F. Mostly Cloudy.
- Will it rain in Guerneville, CA 95446 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 Guerneville, CA 95446?
- The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 68°F to 69°F. Model guidance this far out often changes.
- What time is sunrise and sunset in Guerneville, CA 95446 today?
- Sunrise is about 7:35 AM PDT and sunset is about 6:15 PM PDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Guerneville, CA 95446?
- At Occidental, the 1991 to 2020 normal high in October is 73°F and the normal low is 52°F.
Rain and snow totals
Next 3 days, NWS forecast grid
- Rain (liquid)
- 0.07 in
- Snow
- 0.00 in
- Ice
- 0.00 in
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: COOLEY Fire (1,365 acres)
UV and air quality forecast
EPA and AirNow
- AQI forecast today (Santa Rosa)
- 44GoodPM2.5
- AQI forecast tomorrow (Santa Rosa)
- 33GoodOzone
Drought
By countySonoma County, week of 10/27/2026
No drought or abnormal dryness in this county.
Tides nearby
NOAA tide stations
- Fort Ross13.1 mi
- Bodega Harbor entrance14.6 mi
- Tomales Bay entrance19.9 mi
Beaches nearby
EPA BEACON beaches
Sun and moon
Local time, center of the area
- Sunrise
- 7:35 AM
- Sunset
- 6:15 PM
- Daylight
- 10 hr 40 min
- Moon
- Waning Gibbous 85% lit
- First light (civil dawn)
- 7:08 AM
- Last light (civil dusk)
- 6:42 PM
- Moonrise
- 8:53 PM
- Moonset
- 11:52 AM
Normal October weather
ClimateNormal October high 73°, low 52°, precipitation 2.65 in for the month. 1991 to 2020 normals at Occidental, 9 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
- 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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