0.04in

Rain Today

Rain Last Hour
0in

Recorded at San Francisco, San Francisco International Airport Updated 13 mins ago (4.5 miles away)

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Real-Time Extremes

Hottest 89.5 °F
Faleolo Intl / Apia, Samoa, HI
Coldest -40.1 °F
Deadhorse, Alpine Airstrip, AK
Windiest 55.3mph
Kulusuk Lufthavn, ME
Wettest (Last Hour) 0.3in
Tillamook, Tillamook Airport, OR
Most Humid 100%
North Palm Beach County General Aviation Airport, FL
Least Humid 11%
Fort Carson, CO
Highest Pressure 1024 hPa
Bradshaw Army Air Field / Hawaii, HI
Lowest Pressure 904.5 hPa
Kenosha, Kenosha Regional Airport, WI

Trending Locations

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San Mateo Rainfall Forecast

Today 6 Jan
20%
Wed 7 Jan
10%
Thu 8 Jan
No Rain
Fri 9 Jan
No Rain
Sat 10 Jan
No Rain
Sun 11 Jan
No Rain
Mon 12 Jan
No Rain

San Mateo Rainfall Statistics

January Rainfall

San Francisco, San Francisco International Airport (4.3 miles)

Total Rainfall 2026
2.6in
Daily Average 2026
0.6in
Wettest Day 4 January, 2026
1.3in
Wet Days 2026
4/6 (67%)
Total Rainfall December
3.5in
Daily Average December
0.1in
Wettest Day 25 December, 2025
1in
Wet Days December
9/31 (29%)
Total Rainfall January
2.6in
Daily Average January
0.6in
Wettest Day 4 January, 2026
1.3in
Wet Days January
4/6 (67%)

Climate (2010–Present)

San Francisco, San Francisco International Airport (4.3 miles)

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Annual Average 2021–2025
20.2in
Monthly Average 2021–2025
1.7in
Daily Average 2021–2026
0.1in
Wettest Day 24 October, 2021
4in

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