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

 

Friday, October 16, 2026
7:30 AM (Eastern Standard Time)
Updated every 10 minutes
 
50.0°F
 10.0°C
Humidity91%
Dew Point47.5°F (8.6°C)
WindSSE 11 G 16 mph
Wind Chill46°F
Barometer29.973" (1015.0 mb)
Solar9 W/m2
Rainfall0.00" (0.00"/hr)
webcam
Facing WNW. Updated every 15 minutes.
Source: Camnet

 

Today's Highs and Lows
Temperature 50.6°F @ 6:30 AM
49.0°F @ 12:10 AM
Dew Point 47.5°F 7:29 AM
37.8°F 12:10 AM
Humidity 91% 7:29 AM
65% 12:00 AM
Wind Gust 29 mph S @ 4:22 AM
Wind Speed 18 mph S @ 4:24 AM
Barometer 30.173" 12:10 AM
29.970" 7:23 AM
Precipitation Max 0.00"1 12:00 AM
Last 24 hours 0.00"
Storm total 0.00"
Evapotranspiration 0.014"
Wind Chill Gust Min 42°F 4:22 AM
Wind Chill Avg Min 43°F 5:22 AM
Heat Index Max 50°F 3:53 AM
Sunshine Max 19 W/m2 6:29 AM
1. Instantaneous rainfall rate.


Yesterday October 15, 2026
  Maximum, Minimum Mean/Total
Temperature 63.1°F @ 2:45 PM
48.8°F @ 8:55 PM
55.9°
Dew Point 52.5°F 12:00 AM
33.6°F 7:43 PM
41.5°
Humidity 89% 12:09 AM
35% 2:55 PM
61.3%
Wind Gust 32 mph N @ 7:18 AM
10.5 335°
Wind Speed 23 mph NNW @ 7:26 AM
 
Barometer 30.233" 9:47 AM
29.973" 12:00 AM
30.169
Wind Chill Gust Min 42°F 11:09 PM
Wind Chill Avg Min 43°F 11:10 PM
Heat Index Max 63°F 2:44 PM
Sunshine Max 656 W/m2 11:30 AM 179.1
Degree Days Heating (Base 65°F): 9
Cooling (Base 65°F): 0
Precipitation   0.00"
Evapotranspiration   0.149"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"


Forecast
Partly cloudy with little temperature change.


Number of Days
For October For 2026
Rain: 5
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: 95
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 10
Low ≤ 32°F: 83
High ≤ 32°F: 30
Low ≤ 0°F: 2
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Date of last rainfall: October 14, 2026 (2 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 15 119 227
Cooling - Base 65°F 0 12 853
 
Wind Run
Today 97.9 miles
This month 4138.5 miles
This year 76127.3 miles


Sun, Moon
Twilight begins 5:40 AM
Sunrise 5:59 AM
Sunset 5:00 PM
Twilight ends 5:19 PM
Moonrise 12:07 PM
Moonset 8:37 PM
 
Sunshine Minutes (intensity ≥ 120 W/m2)
Today 0
This Month 7,118
This Year 145,097
Yesterday 557
One Year Ago 487


Monthly and Yearly Statistics
  Monthly
Maximum, Minimum, Mean/Total
Yearly
Maximum, Minimum, Mean/Total
Temperature °F 83.9° on Oct 2 12:54 PM
40.7° on Oct 7 5:56 AM
Mean 58.2°
98.2° on Jul 2 2:13 PM
-0.9° on Jan 31 5:34 AM
Mean 53.6°
Dew Point °F 70.0° on Oct 2 2:26 PM
31.6° on Oct 7 7:22 AM
Mean 49.0°
78.7° on Jun 12 1:47 PM
-14.2° on Jan 24 7:40 AM
Mean 43.5°
Humidity 98% on Oct 12 7:57 AM
34% on Oct 7 10:57 AM
Mean 74.7%
99% on Sep 29 4:28 AM
18% on Apr 9 1:08 PM
Mean 72.4%
Wind Gust (mph) W 42 on Oct 5 4:08 PM
NW 0 on Oct 5 5:00 AM
Mean 273° 11.2
S 90 on Mar 17 12:22 AM
NNW 0 on Jan 4 9:36 AM
Mean 255° 11.0
Wind Speed W 33 on Oct 5 4:09 PM
N 0 on Oct 7 6:30 AM
S 57 on Mar 17 12:12 AM
N 0 on Jan 4 9:06 AM
Barometer 30.535" on Oct 10 9:08 PM
29.743" on Oct 12 2:36 PM
Mean 30.063"
30.708" on Mar 2 10:38 AM
29.304" on Mar 17 2:16 AM
Mean 30.018"
Precipitation Total 1.68" Total 116.02"
Evapotranspiration Total 1.913" Total 38.941"
Wind Chill Gust °F Min 33° on Oct 6 6:22 AM Min -27° on Feb 8 6:42 AM
Wind Chill Avg °F Min 34° on Oct 6 6:16 AM Min -25° on Feb 8 6:43 AM
Heat Index °F Max 86° on Oct 2 11:59 AM Max 109° on Jul 2 1:10 PM
Sunshine (W/m2) Max 904 on Oct 1 9:51 AM
Mean 143.6
Max 1306 on Jun 7 10:43 AM
Mean 170.8
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 4.69V

 

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