Grassy Key Rainfall Forecast

Today 12 Jul
35%
Sun 13 Jul
35%
Mon 14 Jul
40%
Tue 15 Jul
45%
Wed 16 Jul
45%
Thu 17 Jul
40%
Fri 18 Jul
35%

Grassy Key Rainfall Statistics

July Rainfall

The Florida Keys - Marathon International Airport (6.2 miles)

Total Rainfall 2025
11.8in
Daily Average 2025
0.1in
Wettest Day 3 June, 2025
4.4in
Wet Days 2025
31/193 (16%)
Total Rainfall June
5.6in
Daily Average June
0.2in
Wettest Day 3 June, 2025
4.4in
Wet Days June
9/30 (30%)
Total Rainfall July
0.8in
Daily Average July
0.1in
Wettest Day 3 July, 2025
0.5in
Wet Days July
4/12 (33%)

Climate (2010–Present)

The Florida Keys - Marathon International Airport (6.2 miles)

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Annual Average 2020–2024
45.7in
Monthly Average 2020–2025
3.6in
Daily Average 2020–2025
0.1in
Wettest Day 12 September, 2020
8.1in

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