Blue Hill Meteorological Observatory |
42° 12' 44"N, 71° 06' 53"W, Elevation 635 feet Milton, Massachusetts USA |
Today's Highs and Lows | ||
Temperature | 69.3°F @ 7:50 AM 62.7°F @ 3:11 AM |
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Dew Point | 62.5°F 7:26 AM 56.8°F 1:18 AM |
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Humidity | 84% 3:11 AM 77% 7:49 AM |
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Wind Gust | 21 mph SW @ 7:43 AM |
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Wind Speed | 15 mph SW @ 7:50 AM |
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Barometer | 30.118" 12:08 AM 30.072" 7:47 AM |
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Precipitation | Max 0.00"1 12:00 AM Last 24 hours 0.00" Storm total 0.00" |
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Evapotranspiration | 0.015" | |
Wind Chill Gust | Min 61°F 3:34 AM | |
Wind Chill Avg | Min 61°F 3:33 AM | |
Heat Index | Max 69°F 7:42 AM | |
Sunshine | Max 302 W/m2 7:16 AM | |
1. Instantaneous rainfall rate. |
Yesterday July 26, 2025 | ||
Maximum, Minimum | Mean/Total | |
Temperature | 79.3°F @ 1:41 PM 64.7°F @ 11:59 PM |
72.0° |
Dew Point | 65.7°F 12:00 AM 51.5°F 1:09 PM |
57.1° |
Humidity | 82% 1:41 AM 39% 1:09 PM |
61.8% |
Wind Gust | 24 mph NE @ 7:45 AM |
9.6 84° |
Wind Speed | 16 mph NE @ 7:46 AM |
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Barometer | 30.160" 9:17 AM 30.009" 12:02 AM |
30.110 |
Wind Chill Gust | Min 64°F 11:57 PM | |
Wind Chill Avg | Min 64°F 11:59 PM | |
Heat Index | Max 78°F 1:31 PM | |
Sunshine | Max 939 W/m2 12:17 PM | 275.3 |
Degree Days |
Heating (Base 65°F): 0 Cooling (Base 65°F): 7 |
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Precipitation | 0.00" | |
Evapotranspiration | 0.232" | |
Precipitation Types | none | |
Snowfall | 0.0" | |
Snowcover | 0" |
Forecast |
Partly cloudy with little temperature change. |
Number of Days | |
For July | For 2025 |
Rain: 9 Snow: 0 Heavy Fog: 0 Thunder: 0 High ≥ 90°F: 6 Low ≤ 32°F: 0 High ≤ 32°F: 0 Low ≤ 0°F: 0 Cloudy: 0 Partly Cloudy: 0 Clear: 0 |
Rain: 75 Snow: 0 Heavy Fog: 0 Thunder: 0 High ≥ 90°F: 12 Low ≤ 32°F: 73 High ≤ 32°F: 32 Low ≤ 0°F: 0 Cloudy: 0 Partly Cloudy: 0 Clear: 0 |
Date of last rainfall: July 21, 2025 (6 days) |
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Monthly and Yearly Statistics | ||
Monthly Maximum, Minimum, Mean/Total |
Yearly Maximum, Minimum, Mean/Total |
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Temperature °F | 93.3° on Jul 25 1:05 PM 54.7° on Jul 22 4:15 AM Mean 74.2° |
99.0° on Jun 24 1:32 PM 2.5° on Jan 22 6:46 AM Mean 49.3° |
Dew Point °F | 78.8° on Jul 25 12:46 PM 49.0° on Jul 21 7:50 PM Mean 65.7° |
80.3° on Jun 23 3:01 PM -5.8° on Jan 22 6:34 PM Mean 40.4° |
Humidity | 96% on Jul 1 2:05 AM 39% on Jul 26 1:09 PM Mean 78.1% |
100% on Jan 1 9:29 AM 20% on Apr 30 5:01 PM Mean 74.6% |
Wind Gust (mph) | W 38 on Jul 17 11:57 PM WSW 0 on Jul 3 7:45 AM Mean 231° 9.5 |
S 69 on Mar 6 1:35 AM WNW 0 on Jan 10 8:15 PM Mean 251° 12.1 |
Wind Speed | W 30 on Jul 18 12:01 AM SSW 0 on Jul 3 8:01 AM |
W 49 on Feb 17 1:40 PM SE 0 on Jan 11 6:34 AM |
Barometer | 30.280" on Jul 23 8:40 AM 29.684" on Jul 20 6:01 PM Mean 30.012" |
30.654" on Feb 2 9:02 AM 28.942" on Feb 16 8:13 PM Mean 29.966" |
Precipitation | Total 5.01" | Total 37.43" |
Evapotranspiration | Total 4.862" | Total 25.045" |
Wind Chill Gust °F | Min 51° on Jul 22 4:24 AM | Min -16° on Jan 22 7:14 AM |
Wind Chill Avg °F | Min 52° on Jul 22 4:52 AM | Min -15° on Jan 22 7:15 AM |
Heat Index °F | Max 110° on Jul 25 1:03 PM | Max 113° on Jun 24 1:32 PM |
Sunshine (W/m2) | Max 1167 on Jul 7 12:05 PM Mean 241.9 |
Max 1308 on Apr 27 12:17 PM Mean 166.7 |
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 |
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Dew Point °F | 81.5° on Jul 20, 2019 1:48 PM -79.1° on Nov 26, 2009 3:18 AM |
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Humidity | 100% on Apr 24, 2004 7:18 AM 0% on Apr 5, 2007 8:24 AM |
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Wind Gust (mph) | SSE 95 on Dec 19, 2023 11:31 AM ESE 0 on Apr 21, 2004 1:52 AM |
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Wind Speed | S 57 on Apr 13, 2020 3:38 PM SSW 0 on Apr 21, 2004 2:06 AM |
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Barometer | 30.932" on Dec 14, 2024 10:03 AM 28.675" on Feb 7, 2020 2:58 PM |
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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 | 4.74V |
Data generated by WxSolution Version 1.9.1.9, Build 2022.03.27.