St. Marks Rainfall Forecast

Today 23 Aug
30%
Mon 24 Aug
15%
Tue 25 Aug
No Rain
Wed 26 Aug
No Rain
Thu 27 Aug
10%
Fri 28 Aug
45%
Sat 29 Aug
15%

St. Marks Rainfall Statistics

August Rainfall

Boston, Logan International Airport (5 miles)

Total Rainfall 2026
17.2in
Daily Average 2026
0.1in
Wettest Day 7 July, 2026
1.6in
Wet Days 2026
84/235 (36%)
Total Rainfall July
4.6in
Daily Average July
0.1in
Wettest Day 7 July, 2026
1.6in
Wet Days July
7/31 (23%)
Total Rainfall August
0.6in
Daily Average August
0.03in
Wettest Day 3 August, 2026
0.5in
Wet Days August
3/23 (13%)

Climate (2021–2025)

Boston, Logan International Airport (5 miles)

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Annual Average 2021–2025
43.1in
Monthly Average 2021–2026
3.4in
Daily Average 2021–2026
0.1in
Wettest Day 22 May, 2025
3.1in

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