0 in

Rain Today

Rain Last Hour
0 in

Recorded at Helena Regional Airport Updated 50 mins ago (26.2 miles away)

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Real-Time Extremes

Hottest 100.3 °F
Tela, FL
Coldest 17.5 °F
Anaktuvuk Pass, Anaktuvuk Pass Airport, AK
Windiest 69.1 mph
Mount Washington, NH
Wettest (Last Hour) 0.4 in
Gaithersburg - Montgomery County Airport, MD
Most Humid 100%
North Palm Beach County General Aviation Airport, FL
Least Humid 4%
CANDO, ND
Highest Pressure 1047.1 hPa
Salida - Monarch Pass, CO
Lowest Pressure 983 hPa
Narsarsuaq, ME

Trending Locations

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Boulder Rainfall Forecast

Today 16 Oct
No Rain
Sat 17 Oct
No Rain
Sun 18 Oct
No Rain
Mon 19 Oct
No Rain
Tue 20 Oct
5%
Wed 21 Oct
20%
Thu 22 Oct
30%

Boulder Rainfall Statistics

October Rainfall

Helena Regional Airport (26.1 miles)

Total Rainfall 2026
12.2 in
Daily Average 2026
0.04 in
Wettest Day 30 May, 2026
1 in
Wet Days 2026
70/289 (24%)
Total Rainfall September
1.4 in
Daily Average September
0.05 in
Wettest Day 19 September, 2026
0.6 in
Wet Days September
8/30 (27%)
Total Rainfall October
1 in
Daily Average October
0.1 in
Wettest Day 11 October, 2026
0.6 in
Wet Days October
2/16 (13%)

Climate (2021–2025)

Helena Regional Airport (26.1 miles)

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Annual Average 2021–2025
11.3 in
Monthly Average 2021–2026
1 in
Daily Average 2021–2026
0.03 in
Wettest Day 22 September, 2023
1.3 in

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