Blue Hill Meteorological Observatory 2
42° 12' 44"N, 71° 06' 53"W, Elevation 635 feet
Milton, Massachusetts USA

 

Sunday, March 15, 2026
3:50 AM (Eastern Standard Time)
Updated every 10 minutes
 
28.7°F
 -1.8°C
Humidity71%
Dew Point20.5°F (-6.4°C)
WindWNW 12 G 19 mph
Wind Chill19°F
Barometer30.393" (1029.3 mb)
Solar0 W/m2
Rainfall0.00" (0.00"/hr)
webcam
Facing WNW. Updated every 15 minutes.
Source: Camnet

 

Today's Highs and Lows
Temperature 30.1°F @ 12:25 AM
27.5°F @ 2:48 AM
Dew Point 21.0°F 12:33 AM
19.7°F 2:49 AM
Humidity 73% 2:48 AM
68% 12:00 AM
Wind Gust 20 mph WNW @ 3:05 AM
Wind Speed 16 mph WNW @ 3:02 AM
Barometer 30.397" 3:36 AM
30.313" 12:00 AM
Precipitation Max 0.00"1 12:00 AM
Last 24 hours 0.00"
Storm total 0.00"
Evapotranspiration 0.005"
Wind Chill Gust Min 14°F 3:05 AM
Wind Chill Avg Min 16°F 3:01 AM
Heat Index Max 30°F 12:00 AM
Sunshine Max 0 W/m2 12:00 AM
1. Instantaneous rainfall rate.


Yesterday March 14, 2026
  Maximum, Minimum Mean/Total
Temperature 47.2°F @ 10:44 AM
30.0°F @ 11:58 PM
38.6°
Dew Point 33.0°F 3:45 AM
19.9°F 6:37 PM
25.2°
Humidity 87% 3:00 AM
42% 10:42 AM
60.6%
Wind Gust 51 mph WNW @ 4:33 PM
20.4 282°
Wind Speed 39 mph W @ 3:46 PM
 
Barometer 30.315" 11:57 PM
29.737" 3:29 AM
29.925
Wind Chill Gust Min 17°F 9:39 PM
Wind Chill Avg Min 19°F 9:19 PM
Heat Index Max 47°F 10:43 AM
Sunshine Max 925 W/m2 10:21 AM 202.1
Degree Days Heating (Base 65°F): 26
Cooling (Base 65°F): 0
Precipitation   0.00"
Evapotranspiration   0.180"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"


Forecast
Mostly clear and cooler.


Number of Days
For March For 2026
Rain: 9
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 11
High ≤ 32°F: 3
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Rain: 31
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 67
High ≤ 32°F: 31
Low ≤ 0°F: 3
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Date of last rainfall: March 12, 2026 (3 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 36 393 4945
Cooling - Base 65°F 0 0 0
 
Wind Run
Today 46.6 miles
This month 4217.9 miles
This year 21328.7 miles


Sun, Moon
Twilight begins 5:38 AM
Sunrise 5:57 AM
Sunset 5:49 PM
Twilight ends 6:07 PM
Moonrise 4:23 AM
Moonset 2:11 PM
 
Sunshine Minutes (intensity ≥ 120 W/m2)
Today 0
This Month 5,737
This Year 24,798
Yesterday 596
One Year Ago 460


Monthly and Yearly Statistics
  Monthly
Maximum, Minimum, Mean/Total
Yearly
Maximum, Minimum, Mean/Total
Temperature °F 73.5° on Mar 10 1:30 PM
8.2° on Mar 2 6:22 AM
Mean 38.7°
73.5° on Mar 10 1:30 PM
-0.9° on Jan 31 5:46 AM
Mean 30.0°
Dew Point °F 55.9° on Mar 12 12:57 AM
-7.4° on Mar 2 10:57 AM
Mean 30.0°
55.9° on Mar 12 12:57 AM
-79.1° on Jan 25 6:01 PM
Mean 21.4°
Humidity 98% on Mar 7 3:12 AM
25% on Mar 2 12:51 PM
Mean 72.6%
98% on Mar 7 3:12 AM
0% on Jan 25 6:01 PM
Mean 72.4%
Wind Gust (mph) WNW 51 on Mar 14 4:33 PM
NNE 0 on Mar 2 7:42 AM
Mean 242° 12.4
NE 66 on Feb 23 6:46 AM
W 0 on Jan 2 12:16 PM
Mean 283° 12.2
Wind Speed W 39 on Mar 14 3:46 PM
NW 0 on Mar 2 10:40 AM
NE 40 on Feb 23 6:46 AM
N 0 on Jan 4 9:06 AM
Barometer 30.707" on Mar 2 10:37 AM
29.489" on Mar 12 6:00 AM
Mean 30.128"
30.707" on Mar 2 10:37 AM
29.302" on Feb 23 1:53 PM
Mean 30.023"
Precipitation Total 39.90" Total 81.95"
Evapotranspiration Total 1.244" Total 4.114"
Wind Chill Gust °F Min -8° on Mar 2 6:31 AM Min -27° on Feb 8 6:42 AM
Wind Chill Avg °F Min -6° on Mar 2 6:33 AM Min -24° on Feb 8 6:43 AM
Heat Index °F Max 70° on Mar 10 1:16 PM Max 70° on Mar 10 1:16 PM
Sunshine (W/m2) Max 925 on Mar 14 10:21 AM
Mean 120.7
Max 925 on Mar 14 10:21 AM
Mean 96.5
Extremes are the first of multiple occurrences.


All-Time Records
  Maximum, Minimum
Temperature °F 99.0° on Jun 24, 2025 1:32 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 Jan 3, 2023 2:48 PM
Humidity 100% on Sep 20, 2017 1:11 AM
0% on Jan 3, 2023 2:48 PM
Wind Gust (mph) S 95 on Dec 19, 2025 11:02 AM
SE 0 on Jan 2, 2017 5:01 AM
Wind Speed S 62 on Dec 19, 2025 12:14 PM
N 0 on Jan 1, 2017 2:16 PM
Barometer 30.934" on Dec 14, 2024 10:00 AM
28.675" on Feb 7, 2020 2:58 PM
Precipitation Max rate 82.29"/hr on Jun 15, 2024 10:45 AM
Evapotranspiration Max day 0.407" on May 2, 2018 11:01 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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