0in

Rain Today

Rain Last Hour
0in

Recorded at Half Moon Bay Airport Updated 23 mins ago (5.2 miles away)

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Real-Time Extremes

Hottest 103.9 °F
Zapata, TX, TX
Coldest 30.1 °F
Barter Island, Barter Island LRRS Airport, AK
Windiest 36.9mph
Mount Washington, NH
Wettest (Last Hour) 0.8in
Big Sandy Regional Airport, KY
Most Humid 100%
Suwannee County Airport, FL
Least Humid 2%
La Veta Mountain, La Veta Pass, CO
Highest Pressure 1040.3 hPa
Salida - Monarch Pass, CO
Lowest Pressure 1001.7 hPa
Shemya, Eareckson AFB, AK

Trending Locations

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Half Moon Bay Rainfall Forecast

Today 4 Sep
No Rain
Sat 5 Sep
No Rain
Sun 6 Sep
No Rain
Mon 7 Sep
No Rain
Tue 8 Sep
20%
Wed 9 Sep
20%
Thu 10 Sep
5%

Half Moon Bay Rainfall Statistics

September Rainfall

Half Moon Bay Airport (5 miles)

Total Rainfall 2026
7.3in
Daily Average 2026
0.03in
Wettest Day 16 February, 2026
1.1in
Wet Days 2026
36/247 (15%)
Total Rainfall August
0.04in
Daily Average August
0in
Wettest Day 14 August, 2026
0.04in
Wet Days August
1/31 (3%)
Total Rainfall September
0in
Daily Average September
0in
Wettest Day 1 September, 2026
0in
Wet Days September
–

Climate (2021–2025)

Half Moon Bay Airport (5 miles)

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Annual Average 2021–2025
20.4in
Monthly Average 2021–2026
1.7in
Daily Average 2021–2026
0.1in
Wettest Day 24 October, 2021
3.5in

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