Grand Lake Rainfall Forecast

Today 8 May
50%
Sat 9 May
45%
Sun 10 May
25%
Mon 11 May
55%
Tue 12 May
No Rain
Wed 13 May
No Rain
Thu 14 May
No Rain

Grand Lake Rainfall Statistics

May Rainfall

Conroe, Montgomery County Airport (6.8 miles)

Total Rainfall 2026
12.9in
Daily Average 2026
0.1in
Wettest Day 7 March, 2026
1.9in
Wet Days 2026
28/128 (22%)
Total Rainfall April
3.1in
Daily Average April
0.1in
Wettest Day 4 April, 2026
0.7in
Wet Days April
13/30 (43%)
Total Rainfall May
1.8in
Daily Average May
0.4in
Wettest Day 1 May, 2026
1.8in
Wet Days May
1/8 (13%)

Climate (2010–Present)

Conroe, Montgomery County Airport (6.8 miles)

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Annual Average 2021–2025
45.5in
Monthly Average 2021–2026
3.8in
Daily Average 2021–2026
0.1in
Wettest Day 8 July, 2024
5.1in

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