0in

Rain Today

Rain Last Hour
0in

Recorded at Helena Regional Airport Updated 42 mins ago (26.2 miles away)

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Real-Time Extremes

Hottest 93.1 °F
Palm Springs, Jacqueline Cochran Regional Airport, CA
Coldest 37.3 °F
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Windiest 33.3mph
Pocatello, Pocatello Regional Airport, ID
Wettest (Last Hour) 0.4in
Truth Or Consequences, Truth Or Consequences Municipal Airport, NM
Most Humid 100%
North Palm Beach County General Aviation Airport, FL
Least Humid 10%
Powell Municipal Airport, WY
Highest Pressure 1040 hPa
Salida - Monarch Pass, CO
Lowest Pressure 995.3 hPa
Middleton Island Airport, AK

Trending Locations

New York State Fairgrounds, NY 13209

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Boulder Rainfall Forecast

Today 31 Aug
No Rain
Tue 1 Sep
10%
Wed 2 Sep
65%
Thu 3 Sep
15%
Fri 4 Sep
25%
Sat 5 Sep
30%
Sun 6 Sep
40%

Boulder Rainfall Statistics

August Rainfall

Helena Regional Airport (26.1 miles)

Total Rainfall 2026
9.8in
Daily Average 2026
0.04in
Wettest Day 30 May, 2026
1in
Wet Days 2026
59/243 (24%)
Total Rainfall July
0.9in
Daily Average July
0.03in
Wettest Day 1 July, 2026
0.4in
Wet Days July
5/31 (16%)
Total Rainfall August
1.3in
Daily Average August
0.05in
Wettest Day 28 August, 2026
0.3in
Wet Days August
8/31 (26%)

Climate (2021–2025)

Helena Regional Airport (26.1 miles)

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

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