0.2in

Rain Today

Rain Last Hour
0in

Recorded at Napa, Napa County Airport Updated 1 hour 4 mins ago (20.1 miles away)

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Real-Time Extremes

Hottest 84.1 °F
Yap Island - Yap Int. Airport, AK
Coldest -38.3 °F
Bettles, Bettles Airport, AK
Windiest 98.9mph
Mount Washington, NH
Wettest (Last Hour) 0.2in
Emigrant Gap, Blue Canyon Nyack Airport, CA
Most Humid 100%
Hobby Field Airport, OR
Least Humid 9%
Socorro Municipal Airport, NM
Highest Pressure 1037.9 hPa
Atka, Atka Airport, AK
Lowest Pressure 987.1 hPa
Frenchville, Northern Aroostook Regional Airport, ME

Trending Locations

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Lake Hennessey Rainfall Forecast

Today 20 Dec
100%
Sun 21 Dec
100%
Mon 22 Dec
85%
Tue 23 Dec
95%
Wed 24 Dec
90%
Thu 25 Dec
90%
Fri 26 Dec
60%

Lake Hennessey Rainfall Statistics

December Rainfall

Napa, Napa County Airport (19.9 miles)

Total Rainfall 2025
12in
Daily Average 2025
0.03in
Wettest Day 4 February, 2025
1.8in
Wet Days 2025
45/354 (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
0.2in
Daily Average December
0.01in
Wettest Day 17 December, 2025
0.2in
Wet Days December
1/20 (5%)

Climate (2010–Present)

Napa, Napa County Airport (19.9 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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