| Blue Hill Meteorological Observatory |
| 42° 12' 44"N, 71° 06' 53"W, Elevation 635 feet Milton, Massachusetts USA |
| Today's Highs and Lows | ||
| Temperature | 55.2°F @ 1:54 PM 38.4°F @ 6:23 AM |
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| Dew Point | 40.7°F 8:59 AM 31.7°F 2:44 PM |
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| Humidity | 92% 6:26 AM 42% 2:41 PM |
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| Wind Gust | 22 mph NW @ 2:17 PM |
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| Wind Speed | 16 mph NW @ 2:17 PM |
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| Barometer | 30.389" 7:51 PM 30.192" 12:00 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 | 0.087" | |
| 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) | |
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| 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 |
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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 | |
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Records begin 04/20/2004. Extremes are the first of multiple occurrences. |
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| Battery Status | |
| Transmitters | All OK |
| Console | 4.73V |
Data generated by WxSolution Version 1.9.1.9, Build 2022.03.27.