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Rain Today

Rain Last Hour
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Recorded at Palo Alto Airport Updated 37 mins ago (15 miles away)

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Real-Time Extremes

Hottest 87.7 °F
Choluteca, FL
Coldest -47.3 °F
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Windiest 43.6mph
Barter Island, Barter Island LRRS Airport, AK
Wettest (Last Hour) 0.2in
San Francisco, San Francisco International Airport, CA
Most Humid 100%
Hobby Field Airport, OR
Least Humid 14%
Santa Rosa Route 66 Airport, NM
Highest Pressure 1041.7 hPa
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Lowest Pressure 995.9 hPa
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Portola State Park Rainfall Forecast

Today 31 Dec
95%
Thu 1 Jan
90%
Fri 2 Jan
95%
Sat 3 Jan
95%
Sun 4 Jan
90%
Mon 5 Jan
75%
Tue 6 Jan
45%

Portola State Park Rainfall Statistics

December Rainfall

Palo Alto Airport (14.9 miles)

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

Palo Alto Airport (14.9 miles)

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Annual Average 2021–2025
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Monthly Average 2021–2025
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Daily Average 2021–2025
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Wettest Day 31 December, 2020
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