San Mateo County (San Mateo)
Today
Today weather in San Mateo County
Monday, July 20th, 2026
26°
Sunny
Feels like 22° · Low 14°
San Mateo County will experience a pleasantly warm today, reaching temperatures of up to 25 °C and cooling to about 13 °C in the evening. Gentle breezes are expected across San Mateo County Today, with speeds reaching around 12 km/h. There's a slight chance of rain at 9%.
26° / 14°
Temp
9%
Rain
12 km/h
Wind
76%
Humidity
San Mateo County Weather Pages
San Mateo County hourly forecast for today
Scroll right to see more weather forecasts for San Mateo County today
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 06:03 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 20:27 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | |  |  |  |  |  | | | | | | | | | | | | | |  | | | | Next |
| temperatures | 13.9° | 13.8° | 14.3° | 14.2° | 15.6° | 14.3° | 14.3° | Sunrise | 14.7° | 16.1° | 17.7° | 19° | 21.3° | 23.6° | 25.6° | 24.1° | 25.2° | 20.5° | 20.1° | 19.7° | 19° | 16.8° | Sunset | 14.5° | 13.9° | 13.5° | |
| feels like | 9.1° | 8.7° | 9.3° | 9° | 15.6° | 8.9° | 9° | 9.8° | 11.4° | 13.1° | 13.7° | 16.2° | 18.2° | 21.9° | 18.3° | 20° | 14.2° | 13.8° | 13.5° | 13.1° | 10.9° | 8.8° | 8.3° | 8.6° | |||
| wind speed | 4 km/h | 7 km/h | 5 km/h | 6 km/h | 5 km/h | 7 km/h | 7 km/h | 5 km/h | 4 km/h | 3 km/h | 7 km/h | 5 km/h | 7 km/h | 8 km/h | 9 km/h | 10 km/h | 12 km/h | 12 km/h | 11 km/h | 9 km/h | 10 km/h | 9 km/h | 9 km/h | 8 km/h | |||
| wind degree | 246° | 240° | 255° | 248° | 246° | 255° | 251° | 235° | 234° | 269° | 253° | 344° | 290° | 280° | 290° | 305° | 296° | 301° | 306° | 305° | 289° | 284° | 276° | 286° | |||
| wind direction | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | W | WSW | NNW | WNW | W | WNW | NW | WNW | WNW | NW | NW | WNW | WNW | W | WNW | |||
| 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 | 13% | 12% | 11% | 15% | 21% | 33% | 25% | 17% | 12% | 9% | 8% | 6% | 4% | 2% | 3% | 2% | 7% | 7% | 7% | 7% | 9% | 12% | 13% | 13% | |||
| 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 | 88% | 86% | 85% | 89% | 86% | 96% | 94% | 92% | 85% | 79% | 75% | 68% | 59% | 53% | 55% | 52% | 60% | 60% | 62% | 64% | 72% | 81% | 85% | 87% | |||
| dew point | 12° | 11.4° | 11.9° | 12.5° | 13.1° | 13.6° | 13.3° | 13.4° | 13.7° | 14° | 14.4° | 15.2° | 15.2° | 15.4° | 14.5° | 14.8° | 12.6° | 12.3° | 12.1° | 12° | 11.8° | 11.4° | 11.4° | 11.4° | |||
| visibility | 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 | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 6% | 6% | 4% | 19% | 75% | 100% | 71% | 27% | 9% | 8% | 10% | 10% | 6% | 3% | 1% | 2% | 47% | 45% | 48% | 37% | 30% | 27% | 26% | 17% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.9 | 2.5 | 5.2 | 6.9 | 9.4 | 8.9 | 6.6 | 7.9 | 5.3 | 2.9 | 1.3 | 0.4 | 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 26 °C, compared to an average of 18 °C for July 20th in recent years.
temperatures
26 °C
rain
0 mm
wind
12 km/h
UV
Very High
San Mateo County daylight overview ☀️
Today in San Mateo County, The sun rises at 06:03 and sets at 20:27, giving a total daylight duration of 14 hours and 24 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.
Short-sleeve shirt
Shorts
Lightweight trousers
Sunglasses
Wide brimmed hat
Sunscreen
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 26° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in San Mateo County? 🌧️
Yes, there is a 9% chance of rain in San Mateo County today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in San Mateo County? 🌀
The wind in San Mateo County is expected to blow at 12 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 26 °C with a 9% 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 06:03 and set at 20:27 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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