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Data Calendar for Somerville

The calendar chart below shows the daily reported climate variables. You can click on a date to display the values for all sites for that day. Time stamps are displayed in the America/New_York timezone. Wind speeds are in mph and temperatures in Fahrenheit. Values flagged with a (E) are estimated by the IEM.

Year:  

Month:  

 

May 2025Jun 2025 Jul 2025
SundayMondayTuesdayWednesday ThursdayFridaySaturday
01
High: 68
Low: 47
Precip: 0.00
Avg Wind: W @ 4.0
Gust:
NW @ 28
(9:00 AM)
RH% Min/Max: 38-86
Feel Min/Max: 47 to 68		02
High: 74
Low: 43
Precip: 0.00
Avg Wind: W @ 1.7
Gust:
SSW @ 18
(2:24 PM)
RH% Min/Max: 41-100
Feel Min/Max: 43 to 73		03
High: 82
Low: 45
Precip: 0.00
Avg Wind: SSW @ 1.1
Gust:
SSE @ 12
(2:26 PM)
RH% Min/Max: 29-100
Feel Min/Max: 46 to 80		04
High: 89
Low: 50
Precip: 0.00
Avg Wind: S @ 2.4
Gust:
S @ 17
(4:30 PM)
RH% Min/Max: 50-100
Feel Min/Max: 50 to 90		05
High: 89
Low: 58
Precip: 0.00
Avg Wind: S @ 2.2
Gust:
S @ 16
(3:52 PM)
RH% Min/Max: 55-100
Feel Min/Max: 58 to 94		06
High: 89
Low: 63
Precip: 0.21
Avg Wind: SSW @ 1.1
Gust:
NNW @ 18
(2:36 PM)
RH% Min/Max: 54-100
Feel Min/Max: 63 to 95		07
High: 80
Low: 63
Precip: 0.08
Avg Wind: NW @ 1.2
Gust:
N @ 18
(6:54 PM)
RH% Min/Max: 62-100
Feel Min/Max: 63 to 84
08
High: 79
Low: 58
Precip: 0.06
Avg Wind: ESE @ 4.5
Gust:
ESE @ 23
(1:53 PM)
RH% Min/Max: 64-100
Feel Min/Max: 58 to 77		09
High: 68
Low: 61
Precip: 0.06
Avg Wind: E @ 3.5
Gust:
N @ 19
(1:25 AM)
RH% Min/Max: 87-100
Feel Min/Max: 61 to 67		10
High: 80
Low: 62
Precip: 0.68
Avg Wind: S @ 1.9
Gust:
SSW @ 17
(8:38 AM)
RH% Min/Max: 60-100
Feel Min/Max: 63 to 83		11
High: 84
Low: 56
Precip: 0.00
Avg Wind: WSW @ 1.9
Gust:
W @ 16
(3:44 PM)
RH% Min/Max: 44-100
Feel Min/Max: 56 to 83		12
High: 89
Low: 56
Precip: 0.00
Avg Wind: W @ 1.9
Gust:
NW @ 18
(2:20 PM)
RH% Min/Max: 48-100
Feel Min/Max: 57 to 92		13
High: 81
Low: 62
Precip: 0.00
Avg Wind: E @ 2.9
Gust:
ESE @ 16
(7:40 PM)
RH% Min/Max: 44-97
Feel Min/Max: 63 to 80		14
High: 68
Low: 60
Precip: 0.46
Avg Wind: NE @ 2.6
Gust:
E @ 15
(10:02 PM)
RH% Min/Max: 70-97
Feel Min/Max: 61 to 67
15
High: 63
Low: 59
Precip: 0.23
Avg Wind: ENE @ 1.8
Gust:
ESE @ 11
(3:15 AM)
RH% Min/Max: 90-100
Feel Min/Max: 59 to 63		16
High: 65
Low: 59
Precip: 0.23
Avg Wind: E @ 2.5
Gust:
N @ 19
(5:16 PM)
RH% Min/Max: 87-100
Feel Min/Max: 59 to 65		17
High: 69
Low: 62
Precip: 0.07
Avg Wind: ESE @ 1.2
Gust:
S @ 11
(3:09 PM)
RH% Min/Max: 93-100
Feel Min/Max: 62 to 69		18
High: 85
Low: 66
Precip: 0.02
Avg Wind: S @ 0.7
Gust:
S @ 10
(1:02 PM)
RH% Min/Max: 70-100
Feel Min/Max: 66 to 94		19
High: 71
Low: 69
Precip: M
RH% Min/Max: 100-100
Feel Min/Max: 69 to 71		20

Precip: M		21
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29300102030405

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.

Daily High/Low Plot


Description: This chart of the monthly temperature data. The bars are the observations and the dots are climatology.

Daily Rainfall


Description: This chart is of daily precipitation for the month. The red line would be an average month while the blue line and bars are observations.

Daily Average Wind Speeds


Description: This chart is of the daily average wind speeds.

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.