0.01in

Rain Today

Rain Last Hour
0in

Recorded at Napa, Napa County Airport Updated 1 hour 6 mins ago (3.1 miles away)

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Real-Time Extremes

Hottest 87.7 °F
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Coldest -50.9 °F
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Windiest 36.9mph
Half Moon Bay Airport, CA
Wettest (Last Hour) 0.2in
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Most Humid 100%
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Least Humid 10%
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Highest Pressure 1035.2 hPa
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Lowest Pressure 993.9 hPa
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Napa River - Horseshoe Bend Rainfall Forecast

Today 23 Dec
100%
Wed 24 Dec
100%
Thu 25 Dec
100%
Fri 26 Dec
90%
Sat 27 Dec
25%
Sun 28 Dec
No Rain
Mon 29 Dec
No Rain

Napa River - Horseshoe Bend Rainfall Statistics

December Rainfall

Napa, Napa County Airport (2.5 miles)

Total Rainfall 2025
12.7in
Daily Average 2025
0.04in
Wettest Day 4 February, 2025
1.8in
Wet Days 2025
48/357 (13%)
Total Rainfall November
2.1in
Daily Average November
0.1in
Wettest Day 17 November, 2025
0.8in
Wet Days November
8/30 (27%)
Total Rainfall December
0.9in
Daily Average December
0.04in
Wettest Day 21 December, 2025
0.3in
Wet Days December
4/23 (17%)

Climate (2010–Present)

Napa, Napa County Airport (2.5 miles)

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Annual Average 2020–2024
17.9in
Monthly Average 2020–2025
1.6in
Daily Average 2020–2025
0.1in
Wettest Day 24 October, 2021
4.8in

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