0in

Rain Today

Rain Last Hour
0in

Recorded at Hayward, Hayward Air Terminal Updated 23 mins ago (4.2 miles away)

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Real-Time Extremes

Hottest 87.7 °F
Palau International Airport, AK
Coldest -16.7 °F
Barrow, Wiley Post-Will Rogers Memorial Airport, AK
Windiest 49.4mph
Cold Bay, Cold Bay Airport, AK
Wettest (Last Hour) 0.2in
Columbus Air Force Base, MS
Most Humid 100%
Hobby Field Airport, OR
Least Humid 10%
Sedona Airport, AZ
Highest Pressure 1036.9 hPa
Richland Airport, WA
Lowest Pressure 980 hPa
Narsarsuaq, ME

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Don Castro Reservoir Rainfall Forecast

Today 16 Jan
No Rain
Sat 17 Jan
No Rain
Sun 18 Jan
No Rain
Mon 19 Jan
No Rain
Tue 20 Jan
No Rain
Wed 21 Jan
5%
Thu 22 Jan
10%

Don Castro Reservoir Rainfall Statistics

January Rainfall

Hayward, Hayward Air Terminal (3.7 miles)

Total Rainfall 2026
3.1in
Daily Average 2026
0.2in
Wettest Day 4 January, 2026
1.6in
Wet Days 2026
6/16 (38%)
Total Rainfall December
3.1in
Daily Average December
0.1in
Wettest Day 25 December, 2025
1in
Wet Days December
8/31 (26%)
Total Rainfall January
3.1in
Daily Average January
0.2in
Wettest Day 4 January, 2026
1.6in
Wet Days January
6/16 (38%)

Climate (2010–Present)

Hayward, Hayward Air Terminal (3.7 miles)

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Annual Average 2021–2025
19.4in
Monthly Average 2021–2025
1.6in
Daily Average 2021–2026
0.1in
Wettest Day 31 December, 2022
4.3in

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