0.03in

Rain Today

Rain Last Hour
0in

Recorded at Gaithersburg - Montgomery County Airport Updated 27 mins ago (2.6 miles away)

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Real-Time Extremes

Hottest 91.3 °F
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Coldest -2.3 °F
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Windiest 35.6mph
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Wettest (Last Hour) 1in
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Most Humid 100%
Hobby Field Airport, OR
Least Humid 9%
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Highest Pressure 1037.6 hPa
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Lowest Pressure 999 hPa
Shemya, Eareckson AFB, AK

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Gaithersburg Rainfall Forecast

Today 4 Sep
60%
Sat 5 Sep
40%
Sun 6 Sep
10%
Mon 7 Sep
No Rain
Tue 8 Sep
No Rain
Wed 9 Sep
5%
Thu 10 Sep
15%

Gaithersburg Rainfall Statistics

September Rainfall

Gaithersburg - Montgomery County Airport (2.5 miles)

Total Rainfall 2026
23.7in
Daily Average 2026
0.1in
Wettest Day 21 July, 2026
1.6in
Wet Days 2026
79/247 (32%)
Total Rainfall August
3.2in
Daily Average August
0.1in
Wettest Day 2 August, 2026
0.6in
Wet Days August
14/31 (45%)
Total Rainfall September
0in
Daily Average September
0in
Wettest Day 1 September, 2026
0in
Wet Days September
–

Climate (2021–2025)

Gaithersburg - Montgomery County Airport (2.5 miles)

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Annual Average 2021–2025
26in
Monthly Average 2021–2026
2.3in
Daily Average 2021–2026
0.1in
Wettest Day 23 June, 2023
2.6in

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