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Rain Today

Rain Last Hour
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Recorded at Palo Alto Airport Updated 29 mins ago (8.7 miles away)

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Real-Time Extremes

Hottest 94.9 °F
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Coldest -45.5 °F
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Windiest 62.2mph
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Wettest (Last Hour) 1.6in
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Most Humid 100%
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Least Humid 8%
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Highest Pressure 1041.3 hPa
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Lowest Pressure 998 hPa
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Portola Valley Rainfall Forecast

Today 31 Dec
90%
Thu 1 Jan
85%
Fri 2 Jan
95%
Sat 3 Jan
90%
Sun 4 Jan
85%
Mon 5 Jan
75%
Tue 6 Jan
40%

Portola Valley Rainfall Statistics

December Rainfall

Palo Alto Airport (8.1 miles)

Total Rainfall 2025
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Daily Average 2025
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Wettest Day 1 January, 2025
0in
Wet Days 2025
–
Total Rainfall November
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Daily Average November
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Wettest Day 1 November, 2025
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Wet Days November
–
Total Rainfall December
0in
Daily Average December
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Wettest Day 1 December, 2025
0in
Wet Days December
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Climate (2010–Present)

Palo Alto Airport (8.1 miles)

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Annual Average 2020–2024
0in
Monthly Average 2020–2025
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Daily Average 2020–2025
0in
Wettest Day 31 December, 2020
0in

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