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

 

Saturday, October 25, 2025
8:00 PM (Eastern Standard Time)
Updated every 10 minutes
 
48.1°F
 8.9°C
Humidity60%
Dew Point34.9°F (1.6°C)
WindSSW 4 G 6 mph
Wind Chill46°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 55.2°F @ 1:54 PM
38.4°F @ 6:23 AM
Dew Point 40.7°F 8:59 AM
31.7°F 2:44 PM
Humidity 92% 6:26 AM
42% 2:41 PM
Wind Gust 22 mph NW @ 2:17 PM
Wind Speed 16 mph NW @ 2:17 PM
Barometer 30.389" 7:51 PM
30.192" 12:00 AM
Precipitation Max 0.00"1 12:00 AM
Last 24 hours 0.00"
Storm total 0.00"
Evapotranspiration 0.087"
Wind Chill Gust Min 30°F 6:29 AM
Wind Chill Avg Min 31°F 6:30 AM
Heat Index Max 55°F 1:49 PM
Sunshine Max 795 W/m2 12:01 PM
1. Instantaneous rainfall rate.


Yesterday October 24, 2025
  Maximum, Minimum Mean/Total
Temperature 57.7°F @ 1:28 PM
41.6°F @ 6:04 AM
49.7°
Dew Point 44.8°F 9:12 AM
37.7°F 11:33 PM
40.4°
Humidity 91% 6:17 AM
54% 1:29 PM
75.7%
Wind Gust 20 mph WNW @ 10:27 PM
9.0 289°
Wind Speed 14 mph WNW @ 10:27 PM
 
Barometer 30.193" 11:58 PM
29.987" 12:05 AM
30.089
Wind Chill Gust Min 34°F 11:52 PM
Wind Chill Avg Min 35°F 6:15 AM
Heat Index Max 57°F 1:20 PM
Sunshine Max 571 W/m2 1:17 PM 109.1
Degree Days Heating (Base 65°F): 15
Cooling (Base 65°F): 0
Precipitation   0.00"
Evapotranspiration   0.083"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"


Forecast
Mostly clear with little temperature change.


Number of Days
For October For 2025
Rain: 6
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 0
High ≤ 32°F: 0
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Rain: 96
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 17
Low ≤ 32°F: 73
High ≤ 32°F: 32
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Date of last rainfall: October 22, 2025 (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 18 241 303
Cooling - Base 65°F 0 20 760
 
Wind Run
Today 176.2 miles
This month 6998.9 miles
This year 81432.6 miles


Sun, Moon
Twilight begins 5:51 AM
Sunrise 6:10 AM
Sunset 4:46 PM
Twilight ends 5:05 PM
Moonrise 10:26 AM
Moonset 6:50 PM
 
Sunshine Minutes (intensity ≥ 120 W/m2)
Today 481
This Month 11,170
This Year 153,560
Yesterday 470
One Year Ago 512


Monthly and Yearly Statistics
  Monthly
Maximum, Minimum, Mean/Total
Yearly
Maximum, Minimum, Mean/Total
Temperature °F 83.4° on Oct 5 1:34 PM
38.0° on Oct 10 2:24 AM
Mean 55.9°
99.0° on Jun 24 1:32 PM
2.5° on Jan 22 6:46 AM
Mean 53.6°
Dew Point °F 65.7° on Oct 7 11:29 AM
28.2° on Oct 9 4:16 PM
Mean 46.8°
80.3° on Jun 23 3:01 PM
-5.8° on Jan 22 6:34 PM
Mean 44.4°
Humidity 98% on Oct 13 2:14 PM
32% on Oct 4 11:47 AM
Mean 74.4%
100% on Jan 1 9:29 AM
20% on Apr 30 5:01 PM
Mean 74.5%
Wind Gust (mph) ENE 48 on Oct 12 9:36 PM
E 0 on Oct 2 12:44 PM
Mean 253° 11.8
S 69 on Mar 6 1:35 AM
WNW 0 on Jan 10 8:15 PM
Mean 242° 11.4
Wind Speed ENE 34 on Oct 13 10:08 AM
N 0 on Oct 4 9:25 AM
W 49 on Feb 17 1:40 PM
SE 0 on Jan 11 6:34 AM
Barometer 30.577" on Oct 10 9:09 AM
29.653" on Oct 22 1:51 PM
Mean 30.109"
30.654" on Feb 2 9:02 AM
28.942" on Feb 16 8:13 PM
Mean 30.010"
Precipitation Total 5.30" Total 49.04"
Evapotranspiration Total 2.841" Total 38.336"
Wind Chill Gust °F Min 30° on Oct 10 2:38 AM Min -16° on Jan 22 7:14 AM
Wind Chill Avg °F Min 30° on Oct 10 2:25 AM Min -15° on Jan 22 7:15 AM
Heat Index °F Max 84° on Oct 5 2:14 PM Max 113° on Jun 24 1:32 PM
Sunshine (W/m2) Max 902 on Oct 15 10:58 AM
Mean 132.4
Max 1308 on Apr 27 12:17 PM
Mean 170.6
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 4.73V

 

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