Blue Hill Meteorological Observatory
42° 12' 44"N, 71° 06' 53"W, Elevation 635 feet
Milton, Massachusetts USA

 

Friday, April 24, 2026
1:10 AM (Eastern Standard Time)
Updated every 10 minutes
 
38.7°F
 3.7°C
Humidity80%
Dew Point33.1°F (0.6°C)
WindESE 11 G 13 mph
Wind Chill32°F
Barometer29.861" (1011.2 mb)
Solar0 W/m2
Rainfall0.00" (0.00"/hr)
webcam
Facing WNW. Updated every 15 minutes.
Source: Camnet

 

Today's Highs and Lows
Temperature 39.9°F @ 12:15 AM
38.6°F @ 1:07 AM
Dew Point 33.3°F 12:48 AM
32.9°F 12:48 AM
Humidity 80% 12:59 AM
77% 12:00 AM
Wind Gust 14 mph ESE @ 12:00 AM
Wind Speed 11 mph ESE @ 12:01 AM
Barometer 29.879" 12:16 AM
29.861" 1:05 AM
Precipitation Max 0.00"1 12:00 AM
Last 24 hours 0.00"
Storm total 0.00"
Evapotranspiration 0.001"
Wind Chill Gust Min 31°F 1:09 AM
Wind Chill Avg Min 32°F 1:09 AM
Heat Index Max 39°F 12:00 AM
Sunshine Max 0 W/m2 12:00 AM
1. Instantaneous rainfall rate.


Yesterday April 23, 2026
  Maximum, Minimum Mean/Total
Temperature 64.9°F @ 4:00 PM
39.8°F @ 11:56 PM
52.3°
Dew Point 44.1°F 8:02 AM
19.7°F 2:56 PM
34.2°
Humidity 93% 3:36 AM
18% 2:55 PM
61.4%
Wind Gust 40 mph NW @ 12:23 PM
11.8 323°
Wind Speed 28 mph NW @ 4:39 PM
 
Barometer 30.023" 12:27 AM
29.804" 4:38 PM
29.896
Wind Chill Gust Min 32°F 11:51 PM
Wind Chill Avg Min 33°F 11:58 PM
Heat Index Max 64°F 1:48 PM
Sunshine Max 963 W/m2 11:19 AM 292.7
Degree Days Heating (Base 65°F): 12
Cooling (Base 65°F): 0
Precipitation   0.00"
Evapotranspiration   0.247"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"


Forecast
Increasing clouds with little temperature change.


Number of Days
For April For 2026
Rain: 5
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 6
High ≤ 32°F: 0
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Rain: 36
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 83
High ≤ 32°F: 30
Low ≤ 0°F: 2
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Date of last rainfall: April 19, 2026 (5 days)


Observed Conditions
Precipitation types none
Snowfall today 0.0 inches
Snow on the ground 0 inches
Snowfall this season 0.0 inches
 
Degree Days
  Today Month Season
Heating - Base 65°F 25 420 5746
Cooling - Base 65°F 0 6 6
 
Wind Run
Today 11.0 miles
This month 6572.2 miles
This year 32839.9 miles


Sun, Moon
Twilight begins 4:29 AM
Sunrise 4:51 AM
Sunset 6:34 PM
Twilight ends 6:55 PM
Moonrise 11:20 AM
Moonset 1:35 AM
 
Sunshine Minutes (intensity ≥ 120 W/m2)
Today 0
This Month 11,367
This Year 44,222
Yesterday 671
One Year Ago 694


Monthly and Yearly Statistics
  Monthly
Maximum, Minimum, Mean/Total
Yearly
Maximum, Minimum, Mean/Total
Temperature °F 83.3° on Apr 14 1:04 PM
25.5° on Apr 8 5:36 AM
Mean 47.4°
83.3° on Apr 14 1:04 PM
-0.9° on Jan 31 5:34 AM
Mean 34.6°
Dew Point °F 60.7° on Apr 15 8:17 AM
11.5° on Apr 9 3:31 PM
Mean 37.8°
60.7° on Apr 15 8:17 AM
-14.2° on Jan 24 7:40 AM
Mean 25.4°
Humidity 98% on Apr 3 7:01 AM
18% on Apr 9 1:08 PM
Mean 74.4%
98% on Mar 7 3:12 AM
18% on Apr 9 1:08 PM
Mean 72.5%
Wind Gust (mph) S 50 on Apr 14 3:56 PM
WSW 0 on Apr 1 12:12 PM
Mean 203° 11.9
S 90 on Mar 17 12:22 AM
NNW 0 on Jan 4 9:36 AM
Mean 252° 12.1
Wind Speed W 35 on Apr 6 4:55 AM
N 0 on Apr 7 2:07 AM
S 57 on Mar 17 12:12 AM
N 0 on Jan 4 9:06 AM
Barometer 30.682" on Apr 8 9:44 AM
29.703" on Apr 5 4:32 PM
Mean 30.148"
30.708" on Mar 2 10:38 AM
29.304" on Mar 17 2:16 AM
Mean 30.052"
Precipitation Total 0.73" Total 91.93"
Evapotranspiration Total 2.890" Total 8.701"
Wind Chill Gust °F Min 11° on Apr 8 3:31 AM Min -27° on Feb 8 6:42 AM
Wind Chill Avg °F Min 13° on Apr 8 4:54 AM Min -25° on Feb 8 6:43 AM
Heat Index °F Max 83° on Apr 14 12:58 PM Max 83° on Apr 14 12:58 PM
Sunshine (W/m2) Max 1227 on Apr 6 12:09 PM
Mean 170.0
Max 1227 on Apr 6 12:09 PM
Mean 118.5
Extremes are the first of multiple occurrences.


All-Time Records
  Maximum, Minimum
Temperature °F 99.1° on Jul 6, 2010 1:59 PM
-13.4° on Feb 4, 2023 5:47 AM
Dew Point °F 81.5° on Jul 20, 2019 1:48 PM
-79.1° on Nov 26, 2009 3:18 AM
Humidity 100% on Apr 24, 2004 7:18 AM
0% on Apr 5, 2007 8:24 AM
Wind Gust (mph) SSE 95 on Dec 19, 2023 11:31 AM
ESE 0 on Apr 21, 2004 1:52 AM
Wind Speed S 57 on Apr 13, 2020 3:38 PM
SSW 0 on Apr 21, 2004 2:06 AM
Barometer 30.932" on Dec 14, 2024 10:03 AM
28.675" on Feb 7, 2020 2:58 PM
Precipitation Max rate 96.00"/hr on Jan 12, 2005 5:44 PM
Evapotranspiration Max day 2.823" on Dec 31, 2009 12:00 PM
Wind Chill Gust °F Min -138° on Feb 3, 2023 3:33 AM
Wind Chill Avg °F Min -134° on Feb 3, 2023 3:36 AM
Heat Index °F Max 113° on Jun 20, 2024 12:23 PM
Sunshine (W/m2) Max 1498 on Jul 13, 2024 11:20 AM
Records begin 04/20/2004.
Extremes are the first of multiple occurrences.


Battery Status
Transmitters All OK
Console 4.71V

 

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