Sonoma County (Santa Rosa)
Today
Today weather in Sonoma County
Monday, September 21st, 2026
26°
Sunny
Feels like 23° · Low 11°
Official weather alert: Small Craft Advisory. Sonoma County will have a warm day Today with temperatures ascending to 26 °F and descending to around 11 °F after sunset. It'll be quite breezy in Sonoma County Today with average wind speeds of 17 km/h. There's a slight chance of rain at 8%.
26° / 11°
Temp
8%
Rain
17 km/h
Wind
72%
Humidity
Sonoma County Weather Pages
Sonoma County hourly forecast for today
Scroll right to see more weather forecasts for Sonoma County today
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:57 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 07:10 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  | |  | | | |  | |  |  | | | | | | | | | | |  | | |  | | Next |
| temperatures | 14.5° | 13.9° | 12.3° | 12.1° | 11.8° | 11.7° | 11.5° | Sunrise | 11.4° | 12.2° | 14° | 16.5° | 20.4° | 23.4° | 25.7° | 26.4° | 23.6° | 22.1° | 21.3° | 18.9° | 15.8° | Sunset | 13.7° | 13° | 12.5° | 12.4° | |
| Feels like | 14.2° | 13.6° | 12° | 12.1° | 11.6° | 11.4° | 11.4° | 11.1° | 12° | 13.7° | 16.1° | 19.8° | 22.5° | 24° | 23.4° | 20.4° | 19.8° | 19.1° | 17° | 14.4° | 12.8° | 12.4° | 12.1° | 12° | |||
| wind speed | 3 km/h | 3 km/h | 3 km/h | 1 km/h | 3 km/h | 3 km/h | 2 km/h | 2 km/h | 2 km/h | 3 km/h | 4 km/h | 4 km/h | 5 km/h | 8 km/h | 14 km/h | 17 km/h | 13 km/h | 12 km/h | 11 km/h | 8 km/h | 7 km/h | 5 km/h | 3 km/h | 3 km/h | |||
| wind degree | 195° | 201° | 202° | 270° | 236° | 198° | 246° | 193° | 247° | 235° | 229° | 214° | 207° | 209° | 215° | 215° | 198° | 195° | 189° | 187° | 181° | 208° | 237° | 254° | |||
| wind direction | SSW | SSW | SSW | W | WSW | SSW | WSW | SSW | WSW | SW | SW | SW | SSW | SSW | SW | SW | SSW | SSW | S | S | S | SSW | WSW | WSW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 22% | 12% | 21% | 16% | 16% | 16% | 16% | 17% | 22% | 16% | 6% | 2% | 1% | 1% | 1% | 1% | 1% | 2% | 3% | 8% | 14% | 14% | 22% | 23% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 78% | 81% | 91% | 91% | 92% | 93% | 93% | 94% | 89% | 82% | 70% | 53% | 43% | 35% | 33% | 42% | 46% | 48% | 58% | 72% | 83% | 86% | 88% | 89% | |||
| dew point | 10.8° | 10.7° | 10.8° | 10.8° | 10.6° | 10.6° | 10.5° | 10.4° | 10.5° | 10.9° | 11° | 10.7° | 10.2° | 9.3° | 9° | 10.2° | 10.1° | 10° | 10.4° | 10.8° | 11° | 10.8° | 10.6° | 10.6° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 95% | 25% | 57% | 19% | 20% | 20% | 18% | 19% | 69% | 57% | 6% | 0% | 0% | 0% | 0% | 0% | 0% | 2% | 4% | 26% | 36% | 24% | 70% | 72% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.8 | 2.1 | 4 | 5.6 | 6.4 | 6.1 | 4.8 | 3 | 1.4 | 0.4 | 0 | 0 | 0 | 0 | 0 |
View of Sonoma County today
Explore Sonoma County live webcam feed to see how the weather is shaping up today in Sonoma County. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.
Stay informed and make the most of your day with our live weather updates from Sonoma County today.
Weather in Sonoma County today
The weather in Sonoma County today is expected to be slightly warmer than usual, with a forecast temperature of 26 °F, compared to an average of 24 °F for September 21st in recent years.
temperatures
26 °F
rain
0 mm
wind
17 km/h
UV
High
Sonoma County daylight overview ☀️
Today in Sonoma County, The sun rises at 06:57 and sets at 19:10, giving a total daylight duration of 12 hours and 13 minutes.
Top locations in Sonoma County
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What to wear today in Sonoma County? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Sonoma County forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Sunglasses
Wide brimmed hat
Sunscreen
The weather today in Sonoma County - FAQ
What is the maximum temperature for today in Sonoma County?
The maximum temperature for today in Sonoma County is expected to be 26° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Sonoma County? 🌧️
Yes, there is a 8% chance of rain in Sonoma County today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Sonoma County? 🌀
The wind in Sonoma County is expected to blow at 17 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Sonoma County today?
Given the forecast of 26 °F with a 8% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Sonoma County today.
What is the sunrise and sunset time for Sonoma County today?
The sun is expected to rise at 06:57 and set at 19:10 in Sonoma County.
How accurate is the weather forecast Sonoma County today? ✅
Sonoma County weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is Sonoma County?Get accurate weather forecasts for Sonoma County, located at latitude 38.44 and longitude -122.714. Stay updated with localized weather information tailored for Sonoma County.
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