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Boston, MA - Weather Data Archive

Historical records · 1872 – present

September 1940 — Daily weather log

Temp departure vs 1991–2020 normals · Precipitation · Snowfall

‹ ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1 +3°
〇0.01"
81° / 65°
2 +2°
〇0.14"
79° / 65°
3 +4°
82° / 66°
4 +0°
77° / 62°
5 -3°
〇0.00"
73° / 59°
6 -9°
〇0.13"
67° / 52°
7 -14°
〇0.00"
60° / 50°
8 -7°
73° / 50°
9 -7°
〇0.06"
65° / 57°
10 -1°
〇0.21"
73° / 61°
11 -8°
〇0.18"
65° / 54°
12 -6°
〇0.08"
69° / 52°
13 -5°
71° / 53°
14 -5°
69° / 53°
15 -6°
66° / 54°
16 -6°
〇0.24"
64° / 55°
17 +1°
〇0.00"
74° / 58°
18 +6°
81° / 60°
19 +3°
75° / 60°
20 +2°
〇0.00"
76° / 57°
21 +12°
〇0.15"
86° / 66°
22 +4°
〇0.01"
76° / 60°
23 +2°
76° / 55°
24 +6°
〇0.00"
77° / 60°
25 -4°
〇1.11"
70° / 46°
26 -13°
56° / 42°
27 -8°
66° / 42°
28 -3°
69° / 48°
29 -4°
66° / 48°
30 -8°
57° / 48°
Click to Highlight:
2.33"
Total Precipitation
Month total
0.0"
Total Snowfall
Month total
-2.4°
Avg Temp Departure
vs 1991–2020 normals
12
Days Above Normal
of 30 days