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

 

Thursday, March 19, 2026
2:30 AM (Eastern Standard Time)
Updated every 10 minutes
 
24.0°F
 -4.4°C
Humidity69%
Dew Point15.3°F (-9.3°C)
WindS 9 G 11 mph
Wind Chill14°F
Barometer30.389" (1029.1 mb)
Solar0 W/m2
Rainfall0.00" (0.00"/hr)
webcam
Facing WNW. Updated every 15 minutes.
Source: Camnet

 

Today's Highs and Lows
Temperature 24.2°F @ 1:29 AM
23.4°F @ 12:05 AM
Dew Point 16.2°F 1:07 AM
15.2°F 12:18 AM
Humidity 72% 1:07 AM
69% 1:28 AM
Wind Gust 17 mph S @ 12:48 AM
Wind Speed 11 mph SSE @ 1:09 AM
Barometer 30.416" 12:02 AM
30.387" 2:27 AM
Precipitation Max 0.00"1 12:00 AM
Last 24 hours 0.00"
Storm total 0.00"
Evapotranspiration 0.002"
Wind Chill Gust Min 10°F 12:48 AM
Wind Chill Avg Min 13°F 12:46 AM
Heat Index Max 24°F 1:09 AM
Sunshine Max 0 W/m2 12:00 AM
1. Instantaneous rainfall rate.


Yesterday March 18, 2026
  Maximum, Minimum Mean/Total
Temperature 34.8°F @ 4:28 PM
20.2°F @ 5:50 AM
27.5°
Dew Point 15.6°F 11:15 PM
4.8°F 1:27 PM
10.1°
Humidity 70% 11:52 PM
31% 1:27 PM
49.9%
Wind Gust 35 mph WNW @ 12:06 AM
9.6 267°
Wind Speed 26 mph WNW @ 12:06 AM
 
Barometer 30.446" 9:11 PM
30.107" 12:01 AM
30.359
Wind Chill Gust Min 5°F 3:46 AM
Wind Chill Avg Min 8°F 4:45 AM
Heat Index Max 34°F 3:43 PM
Sunshine Max 805 W/m2 1:57 PM 181.1
Degree Days Heating (Base 65°F): 37
Cooling (Base 65°F): 0
Precipitation   0.00"
Evapotranspiration   0.099"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"


Forecast
Partly cloudy with little temperature change.


Number of Days
For March For 2026
Rain: 10
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 14
High ≤ 32°F: 3
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Rain: 32
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 70
High ≤ 32°F: 31
Low ≤ 0°F: 3
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Date of last rainfall: March 16, 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 41 505 5057
Cooling - Base 65°F 0 0 0
 
Wind Run
Today 22.1 miles
This month 5816.9 miles
This year 22927.6 miles


Sun, Moon
Twilight begins 5:31 AM
Sunrise 5:50 AM
Sunset 5:53 PM
Twilight ends 6:12 PM
Moonrise 5:55 AM
Moonset 6:59 PM
 
Sunshine Minutes (intensity ≥ 120 W/m2)
Today 0
This Month 7,669
This Year 26,730
Yesterday 590
One Year Ago 602


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 38.3°
73.5° on Mar 10 1:30 PM
-0.9° on Jan 31 5:46 AM
Mean 29.8°
Dew Point °F 59.4° on Mar 16 9:08 PM
-7.4° on Mar 2 10:57 AM
Mean 29.5°
59.4° on Mar 16 9:08 PM
-79.1° on Jan 25 6:01 PM
Mean 21.2°
Humidity 98% on Mar 7 3:12 AM
25% on Mar 2 12:51 PM
Mean 71.4%
98% on Mar 7 3:12 AM
0% on Jan 25 6:01 PM
Mean 72.0%
Wind Gust (mph) S 105 on Mar 17 12:22 AM
NNE 0 on Mar 2 7:42 AM
Mean 232° 13.4
S 105 on Mar 17 12:22 AM
W 0 on Jan 2 12:16 PM
Mean 278° 12.5
Wind Speed S 68 on Mar 17 12:12 AM
NW 0 on Mar 2 10:40 AM
S 68 on Mar 17 12:12 AM
N 0 on Jan 4 9:06 AM
Barometer 30.707" on Mar 2 10:37 AM
29.286" on Mar 17 2:00 AM
Mean 30.118"
30.707" on Mar 2 10:37 AM
29.286" on Mar 17 2:00 AM
Mean 30.020"
Precipitation Total 49.45" Total 91.50"
Evapotranspiration Total 1.621" Total 4.491"
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 1083 on Mar 17 11:04 AM
Mean 124.3
Max 1083 on Mar 17 11:04 AM
Mean 97.7
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 105 on Mar 17, 2026 12:22 AM
SE 0 on Jan 2, 2017 5:01 AM
Wind Speed S 68 on Mar 17, 2026 12:12 AM
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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