Grand Lake Rainfall Forecast

Today 19 Oct
No Rain
Tue 20 Oct
No Rain
Wed 21 Oct
No Rain
Thu 22 Oct
No Rain
Fri 23 Oct
No Rain
Sat 24 Oct
No Rain
Sun 25 Oct
5%

Grand Lake Rainfall Statistics

October Rainfall

Conroe, Montgomery County Airport (6.8 miles)

Total Rainfall 2026
30.5 in
Daily Average 2026
0.1 in
Wettest Day 14 July, 2026
3.1 in
Wet Days 2026
69/292 (24%)
Total Rainfall September
3.1 in
Daily Average September
0.1 in
Wettest Day 3 September, 2026
1.6 in
Wet Days September
6/30 (20%)
Total Rainfall October
2.3 in
Daily Average October
0.1 in
Wettest Day 1 October, 2026
1.7 in
Wet Days October
4/19 (21%)

Climate (2021–2025)

Conroe, Montgomery County Airport (6.8 miles)

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

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