Union Mountain Rainfall Forecast

Today 18 Oct
No Rain
Mon 19 Oct
No Rain
Tue 20 Oct
5%
Wed 21 Oct
55%
Thu 22 Oct
80%
Fri 23 Oct
60%
Sat 24 Oct
5%

Union Mountain Rainfall Statistics

October Rainfall

Eureka Airport AWOS (40.4 miles)

Total Rainfall 2026
4.2 in
Daily Average 2026
0.01 in
Wettest Day 11 October, 2026
0.8 in
Wet Days 2026
36/291 (12%)
Total Rainfall September
0.01 in
Daily Average September
0 in
Wettest Day 28 September, 2026
0.01 in
Wet Days September
1/30 (3%)
Total Rainfall October
1.3 in
Daily Average October
0.1 in
Wettest Day 11 October, 2026
0.8 in
Wet Days October
3/18 (17%)

Climate (2021–2025)

Eureka Airport AWOS (40.4 miles)

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Annual Average 2021–2025
3.3 in
Monthly Average 2021–2026
0.3 in
Daily Average 2021–2026
0.01 in
Wettest Day 31 December, 2022
1 in

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