Grant Lake Rainfall Forecast

Today 9 Sep
30%
Thu 10 Sep
30%
Fri 11 Sep
40%
Sat 12 Sep
40%
Sun 13 Sep
40%
Mon 14 Sep
25%
Tue 15 Sep
30%

Grant Lake Rainfall Statistics

September Rainfall

Conroe, Montgomery County Airport (10.6 miles)

Total Rainfall 2026
28.1in
Daily Average 2026
0.1in
Wettest Day 14 July, 2026
3.1in
Wet Days 2026
64/252 (25%)
Total Rainfall August
0.1in
Daily Average August
0in
Wettest Day 28 August, 2026
0.1in
Wet Days August
3/31 (10%)
Total Rainfall September
3.1in
Daily Average September
0.4in
Wettest Day 3 September, 2026
1.6in
Wet Days September
5/9 (56%)

Climate (2021–2025)

Conroe, Montgomery County Airport (10.6 miles)

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Annual Average 2021–2025
45.5in
Monthly Average 2021–2026
3.6in
Daily Average 2021–2026
0.1in
Wettest Day 8 July, 2024
5.1in

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