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

 

Sunday, August 9, 2026
4:50 AM (Eastern Standard Time)
Updated every 10 minutes
 
70.1°F
 21.2°C
Humidity91%
Dew Point67.4°F (19.6°C)
WindW 10 G 14 mph
Heat Index71°F
Barometer29.912" (1013.0 mb)
Solar5 W/m2
Rainfall0.00" (0.00"/hr)
webcam
Facing WNW. Updated every 15 minutes.
Source: Camnet

 

Today's Highs and Lows
Temperature 72.3°F @ 12:11 AM
69.9°F @ 4:40 AM
Dew Point 67.6°F 3:05 AM
65.3°F 12:00 AM
Humidity 91% 4:38 AM
80% 12:00 AM
Wind Gust 20 mph W @ 12:07 AM
Wind Speed 15 mph W @ 2:58 AM
Barometer 29.923" 12:00 AM
29.903" 2:45 AM
Precipitation Max 0.00"1 12:00 AM
Last 24 hours 0.00"
Storm total 0.00"
Evapotranspiration 0.007"
Wind Chill Gust Min 70°F 4:40 AM
Wind Chill Avg Min 70°F 4:40 AM
Heat Index Max 73°F 12:05 AM
Sunshine Max 5 W/m2 4:48 AM
1. Instantaneous rainfall rate.


Yesterday August 8, 2026
  Maximum, Minimum Mean/Total
Temperature 89.4°F @ 12:50 PM
71.3°F @ 5:18 AM
80.4°
Dew Point 75.8°F 12:49 PM
64.1°F 10:18 PM
69.5°
Humidity 89% 5:32 AM
57% 12:54 PM
72.8%
Wind Gust 26 mph WSW @ 5:05 PM
9.6 257°
Wind Speed 19 mph WSW @ 5:19 PM
 
Barometer 30.014" 12:01 AM
29.881" 4:26 PM
29.945
Wind Chill Gust Min 71°F 5:18 AM
Wind Chill Avg Min 71°F 5:18 AM
Heat Index Max 99°F 12:48 PM
Sunshine Max 1030 W/m2 12:27 PM 268.5
Degree Days Heating (Base 65°F): 0
Cooling (Base 65°F): 15
Precipitation   0.00"
Evapotranspiration   0.231"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"


Forecast
Partly cloudy with little temperature change.


Number of Days
For August For 2026
Rain: 2
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 2
Low ≤ 32°F: 0
High ≤ 32°F: 0
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Rain: 72
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 10
Low ≤ 32°F: 83
High ≤ 32°F: 30
Low ≤ 0°F: 3
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Date of last rainfall: August 3, 2026 (6 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 0 0 2
Cooling - Base 65°F 6 102 621
 
Wind Run
Today 56.1 miles
This month 2061.1 miles
This year 59288.7 miles


Sun, Moon
Twilight begins 4:25 AM
Sunrise 4:47 AM
Sunset 6:52 PM
Twilight ends 7:14 PM
Moonrise 12:32 AM
Moonset 5:00 PM
 
Sunshine Minutes (intensity ≥ 120 W/m2)
Today 0
This Month 4,986
This Year 110,289
Yesterday 670
One Year Ago 701


Monthly and Yearly Statistics
  Monthly
Maximum, Minimum, Mean/Total
Yearly
Maximum, Minimum, Mean/Total
Temperature °F 92.2° on Aug 7 2:20 PM
62.0° on Aug 4 3:43 AM
Mean 76.1°
98.2° on Jul 2 2:13 PM
-0.9° on Jan 31 5:46 AM
Mean 52.2°
Dew Point °F 78.0° on Aug 6 1:47 PM
58.3° on Aug 4 2:49 PM
Mean 68.4°
78.4° on Jun 12 1:45 PM
-79.1° on Jan 25 6:01 PM
Mean 41.9°
Humidity 98% on Aug 3 1:25 PM
41% on Aug 4 2:48 PM
Mean 78.3%
98% on Mar 7 3:12 AM
0% on Jan 25 6:01 PM
Mean 71.6%
Wind Gust (mph) S 55 on Aug 3 7:55 AM
NW 0 on Aug 1 7:48 AM
Mean 233° 10.4
S 105 on Mar 17 12:22 AM
W 0 on Jan 2 12:16 PM
Mean 251° 11.1
Wind Speed S 35 on Aug 3 7:46 AM
NW 0 on Aug 1 8:53 AM
S 68 on Mar 17 12:12 AM
N 0 on Jan 4 9:06 AM
Barometer 30.176" on Aug 5 10:00 AM
29.729" on Aug 3 3:27 PM
Mean 30.013"
30.707" on Mar 2 10:37 AM
29.286" on Mar 17 2:00 AM
Mean 30.003"
Precipitation Total 0.75" Total 103.14"
Evapotranspiration Total 1.525" Total 28.632"
Wind Chill Gust °F Min 60° on Aug 4 4:47 AM Min -27° on Feb 8 6:42 AM
Wind Chill Avg °F Min 60° on Aug 4 4:43 AM Min -24° on Feb 8 6:43 AM
Heat Index °F Max 103° on Aug 6 1:46 PM Max 109° on Jul 2 1:10 PM
Sunshine (W/m2) Max 1123 on Aug 2 12:33 PM
Mean 228.1
Max 1306 on Jun 7 10:43 AM
Mean 178.5
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 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 4.69V

 

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