Napa County Regional Park District - Lake Hennessey City Recreation Area Rainfall Forecast

Today 20 Sep
No Rain
Mon 21 Sep
No Rain
Tue 22 Sep
No Rain
Wed 23 Sep
No Rain
Thu 24 Sep
No Rain
Fri 25 Sep
No Rain
Sat 26 Sep
No Rain

Napa County Regional Park District - Lake Hennessey City Recreation Area Rainfall Statistics

September Rainfall

Napa, Napa County Airport (19.9 miles)

Total Rainfall 2026
9.7in
Daily Average 2026
0.04in
Wettest Day 16 February, 2026
1.1in
Wet Days 2026
33/263 (13%)
Total Rainfall August
0in
Daily Average August
0in
Wettest Day 1 August, 2026
0in
Wet Days August
–
Total Rainfall September
0.1in
Daily Average September
0.01in
Wettest Day 3 September, 2026
0.1in
Wet Days September
1/20 (5%)

Climate (2021–2025)

Napa, Napa County Airport (19.9 miles)

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Annual Average 2021–2025
19.9in
Monthly Average 2021–2026
1.7in
Daily Average 2021–2026
0.1in
Wettest Day 24 October, 2021
4.8in

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