San Mateo County (San Mateo)
Today
Today weather in San Mateo County
Thursday, April 30th, 2026
23°
Sunny
San Mateo County will experience a pleasantly warm today, reaching temperatures of up to 22 °F and cooling to about 9 °F in the evening. Gentle breezes are expected across San Mateo County Today, with speeds reaching around 15 km/h.
23° / 10°
Temp
0%
Rain
15 km/h
Wind
77%
Humidity
San Mateo County Weather Pages
San Mateo County hourly forecast for today
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| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:15 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 | 07:59 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | |  |  | |  |  |  | | | | | | | | | | | |  | | | | | Next |
| temperatures | 11.3° | 10.8° | 10.3° | 10.7° | 10.7° | 10.4° | 10.8° | Sunrise | 11.7° | 13° | 14.2° | 15.8° | 16.1° | 19.6° | 21° | 21.9° | 21.8° | 21° | 19.8° | 18.1° | 16° | Sunset | 14.5° | 13.2° | 12.6° | 12.3° | |
| wind speed | 8 km/h | 7 km/h | 8 km/h | 7 km/h | 7 km/h | 7 km/h | 6 km/h | 6 km/h | 5 km/h | 5 km/h | 6 km/h | 7 km/h | 9 km/h | 11 km/h | 13 km/h | 15 km/h | 16 km/h | 15 km/h | 14 km/h | 14 km/h | 11 km/h | 10 km/h | 9 km/h | 8 km/h | |||
| wind degree | 275° | 268° | 267° | 265° | 247° | 235° | 227° | 229° | 231° | 244° | 261° | 275° | 281° | 282° | 280° | 282° | 279° | 277° | 276° | 276° | 270° | 270° | 270° | 265° | |||
| wind direction | W | W | W | W | WSW | SW | SW | SW | SW | WSW | W | W | W | WNW | W | WNW | W | W | W | W | W | W | W | W | |||
| 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 | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| 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 | 84% | 86% | 84% | 83% | 88% | 89% | 90% | 95% | 92% | 87% | 81% | 67% | 65% | 58% | 54% | 54% | 57% | 60% | 65% | 72% | 79% | 85% | 89% | 89% | |||
| dew point | 8.5° | 8.4° | 7.7° | 7.1° | 9.3° | 8.9° | 8.5° | 10.4° | 11.4° | 12.1° | 12.3° | 12.7° | 12.8° | 12.9° | 12.7° | 13.1° | 12.8° | 12.4° | 11.8° | 11.3° | 10.2° | 10.5° | 10.2° | 10.2° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 16 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 | 15% | 9% | 6% | 3% | 67% | 28% | 78% | 78% | 40% | 60% | 82% | 25% | 13% | 7% | 4% | 2% | 1% | 2% | 3% | 6% | 9% | 11% | 21% | 24% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.7 | 1.8 | 3.6 | 5.7 | 7.6 | 8.5 | 8.1 | 6.6 | 4.6 | 2.6 | 1.1 | 0.3 | 0 | 0 | 0 | 0 |
View of San Mateo County today
Explore San Mateo County live webcam feed to see how the weather is shaping up today in San Mateo 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 San Mateo County today.
Weather in San Mateo County today
The weather in San Mateo County today is expected to be much warmer than usual, with a forecast temperature of 23 °F, compared to an average of 17 °F for April 30th in recent years.
temperatures
23 °F
rain
0 mm
wind
15 km/h
UV
Very High
San Mateo County daylight overview ☀️
Today in San Mateo County, The sun rises at 06:15 and sets at 19:59, giving a total daylight duration of 13 hours and 44 minutes.
Top locations in San Mateo County
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What to wear today in San Mateo County? clothing recommendations
Stay comfortably stylish - your tailored guide for today's San Mateo County forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
The weather today in San Mateo County - FAQ
What is the maximum temperature for today in San Mateo County?
The maximum temperature for today in San Mateo County is expected to be 23° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in San Mateo County? 🌧️
No, there is no significant chance of rain in San Mateo County today. It should be a dry day.
What will be the wind speed today in San Mateo County? 🌀
The wind in San Mateo County is expected to blow at 15 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in San Mateo County today?
Given the forecast of 23 °F with a 0% 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 San Mateo County today.
What is the sunrise and sunset time for San Mateo County today?
The sun is expected to rise at 06:15 and set at 19:59 in San Mateo County.
How accurate is the weather forecast San Mateo County today? ✅
San Mateo 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 San Mateo County?Get accurate weather forecasts for San Mateo County, located at latitude 37.563 and longitude -122.326. Stay updated with localized weather information tailored for San Mateo County.
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