Gaithersburg Rainfall Forecast

Today 19 Jul
30%
Mon 20 Jul
No Rain
Tue 21 Jul
85%
Wed 22 Jul
90%
Thu 23 Jul
15%
Fri 24 Jul
No Rain
Sat 25 Jul
15%

Gaithersburg Rainfall Statistics

July Rainfall

Gaithersburg - Montgomery County Airport (2.5 miles)

Total Rainfall 2026
17.6in
Daily Average 2026
0.1in
Wettest Day 16 March, 2026
1.2in
Wet Days 2026
61/200 (31%)
Total Rainfall June
1.5in
Daily Average June
0.1in
Wettest Day 23 June, 2026
0.6in
Wet Days June
7/30 (23%)
Total Rainfall July
2.6in
Daily Average July
0.2in
Wettest Day 4 July, 2026
1.1in
Wet Days July
6/19 (32%)

Climate (2021–2025)

Gaithersburg - Montgomery County Airport (2.5 miles)

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Annual Average 2021–2025
26in
Monthly Average 2021–2026
2.2in
Daily Average 2021–2026
0.1in
Wettest Day 23 June, 2023
2.6in

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