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San Mateo County (San Mateo)
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10 day weather forecast for San Mateo County

Sunday, July 19th, 2026, at 12:54
today
Sunny
25° 12°
tomorrow
Partly cloudy
21° 14°
Tuesday
Sunny
23° 13°
Wednesday
Sunny
25° 14°
Thursday
Sunny
23° 13°
Friday
Sunny
23° 12°
Saturday
Sunny
22° 12°
 More Details See
more
San Mateo County Weather Pages

San Mateo County weather forecast

The weather forecast for San Mateo County over the next 5 days indicates comfortable conditions with temperatures ranging from 21 °C to 25 °C.

Wind speeds are expected to be breezy, averaging around 16 km/h.

Weather today
San Mateo County weather forecast

San Mateo County 14 days weather forecast

This weeks weather in San Mateo County. Click on a date for detailed forecasts
Sun. 19
25°
12°
Sunny
0 mm
Mon. 20
21°
14°
Partly cloudy
0 mm
Tue. 21
23°
13°
Sunny
0 mm
Wed. 22
25°
14°
Sunny
0 mm
Thu. 23
23°
13°
Sunny
0 mm
Fri. 24
23°
12°
Sunny
0 mm
Sat. 25
22°
12°
Sunny
0 mm
Sun. 26
23°
12°
Sunny
0 mm
Mon. 27
23°
12°
Sunny
0 mm
Tue. 28
21°
13°
Sunny
0 mm
Wed. 29
20°
13°
Sunny
0 mm
Thu. 30
23°
12°
Sunny
0 mm
Fri. 31
25°
12°
Sunny
0 mm
Sat. 1
25°
13°
Sunny
0 mm
Further Ahead
Select a date

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Access San Mateo County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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San Mateo County long range weather forecast

30 day weather forecast for San Mateo County
June
August
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
20°
2
Overcast
22°
3
Sunny
22°
4
Cloudy
21°
5
Cloudy
20°
6
Sunny
19°
7
Overcast
20°
8
Overcast
20°
9
Partly cloudy
20°
10
Cloudy
21°
11
Overcast
22°
12
Sunny
24°
13
Cloudy
23°
14
Cloudy
23°
15
Sunny
22°
16
Sunny
20°
17
Sunny
19°
18
Partly cloudy
20°
19
Sunny
25°
20
Partly cloudy
21°
21
Sunny
23°
22
Sunny
25°
23
Sunny
23°
24
Sunny
23°
25
Sunny
22°
26
Sunny
23°
27
Sunny
23°
28
Sunny
21°
29
Sunny
20°
30
Sunny
23°
31
Sunny
25°
Important Notice
Our San Mateo County long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in San Mateo County

The chart displays the expected rainfall values (in mm) over the next 14 days in San Mateo County, highlighting variations in precipitation levels for specific dates. ☔

San Mateo County Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in San Mateo County over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

Frequently asked questions about the weather in San Mateo County

How warm is it in San Mateo County over the next 14 days?
Over the next two weeks, temperatures in San Mateo County are expected to range from around 12 °C on the coldest nights up to about 25 °C on the warmest days. Use this range to plan what to pack and wear.

Will it rain in San Mateo County in the next two weeks?
Yes - rain is expected on about 2 of the next 14 days in San Mateo County, with roughly 0.1 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.

How windy is it in San Mateo County?
Maximum wind speeds in San Mateo County are forecast to reach about 18 km/h at their peak over the next 14 days.

When is the best time to visit San Mateo County?
For a month-by-month look at temperatures and rainfall, see our best time to visit San Mateo County guide.

How accurate is the 14-day forecast for San Mateo County?
Our San Mateo County forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.

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Location coordinates 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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