1.3in

Rain Today

Rain Last Hour
0in

Recorded at Petersburg, Grant County Airport Updated 14 mins ago (23.2 miles away)

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Real-Time Extremes

Hottest 102.1 °F
Seguin - Randolph AFB Auxiliary Field, TX
Coldest 33.7 °F
Anaktuvuk Pass, Anaktuvuk Pass Airport, AK
Windiest 32.2mph
Point Lay, Point Lay LRRS Airport, AK
Wettest (Last Hour) 0.8in
Beaufort, Marine Corps Air Station, SC
Most Humid 100%
Metter Municipal Airport, GA
Least Humid 11%
Borrego Valley Airport, CA
Highest Pressure 1036.9 hPa
Salida - Monarch Pass, CO
Lowest Pressure 988.1 hPa
Shenandoah Municipal, IA

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Riverton Rainfall Forecast

Today 22 Sep
100%
Wed 23 Sep
90%
Thu 24 Sep
45%
Fri 25 Sep
No Rain
Sat 26 Sep
No Rain
Sun 27 Sep
5%
Mon 28 Sep
5%

Riverton Rainfall Statistics

September Rainfall

Petersburg, Grant County Airport (23 miles)

Total Rainfall 2026
43in
Daily Average 2026
0.2in
Wettest Day 5 March, 2026
3.3in
Wet Days 2026
86/265 (32%)
Total Rainfall August
6.5in
Daily Average August
0.2in
Wettest Day 22 August, 2026
2.1in
Wet Days August
11/31 (35%)
Total Rainfall September
5.6in
Daily Average September
0.3in
Wettest Day 11 September, 2026
2in
Wet Days September
9/22 (41%)

Climate (2021–2025)

Petersburg, Grant County Airport (23 miles)

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Annual Average 2021–2025
23.7in
Monthly Average 2021–2026
2.5in
Daily Average 2021–2026
0.1in
Wettest Day 5 March, 2026
3.3in

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