| Blue Hill Meteorological Observatory |
| 42° 12' 44"N, 71° 06' 53"W, Elevation 635 feet Milton, Massachusetts USA |
| Today's Highs and Lows | ||
| Temperature | 39.9°F @ 12:15 AM 38.6°F @ 1:07 AM |
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| Dew Point | 33.3°F 12:48 AM 32.9°F 12:48 AM |
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| Humidity | 80% 12:59 AM 77% 12:00 AM |
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| Wind Gust | 14 mph ESE @ 12:00 AM |
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| Wind Speed | 11 mph ESE @ 12:01 AM |
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| Barometer | 29.879" 12:16 AM 29.861" 1:05 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 | 0.001" | |
| Wind Chill Gust | Min 31°F 1:09 AM | |
| Wind Chill Avg | Min 32°F 1:09 AM | |
| Heat Index | Max 39°F 12:00 AM | |
| Sunshine | Max 0 W/m2 12:00 AM | |
| 1. Instantaneous rainfall rate. | ||
| Yesterday April 23, 2026 | ||
| Maximum, Minimum | Mean/Total | |
| Temperature | 64.9°F @ 4:00 PM 39.8°F @ 11:56 PM |
52.3° |
| Dew Point | 44.1°F 8:02 AM 19.7°F 2:56 PM |
34.2° |
| Humidity | 93% 3:36 AM 18% 2:55 PM |
61.4% |
| Wind Gust | 40 mph NW @ 12:23 PM |
11.8 323° |
| Wind Speed | 28 mph NW @ 4:39 PM |
|
| Barometer | 30.023" 12:27 AM 29.804" 4:38 PM |
29.896 |
| Wind Chill Gust | Min 32°F 11:51 PM | |
| Wind Chill Avg | Min 33°F 11:58 PM | |
| Heat Index | Max 64°F 1:48 PM | |
| Sunshine | Max 963 W/m2 11:19 AM | 292.7 |
| Degree Days |
Heating (Base 65°F): 12 Cooling (Base 65°F): 0 |
|
| Precipitation | 0.00" | |
| Evapotranspiration | 0.247" | |
| Precipitation Types | none | |
| Snowfall | 0.0" | |
| Snowcover | 0" | |
| Forecast |
| Increasing clouds with little temperature change. |
| Number of Days | |
| For April | For 2026 |
| Rain: 5 Snow: 0 Heavy Fog: 0 Thunder: 0 High ≥ 90°F: 0 Low ≤ 32°F: 6 High ≤ 32°F: 0 Low ≤ 0°F: 0 Cloudy: 0 Partly Cloudy: 0 Clear: 0 |
Rain: 36 Snow: 0 Heavy Fog: 0 Thunder: 0 High ≥ 90°F: 0 Low ≤ 32°F: 83 High ≤ 32°F: 30 Low ≤ 0°F: 2 Cloudy: 0 Partly Cloudy: 0 Clear: 0 |
| Date of last rainfall: April 19, 2026 (5 days) | |
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| Monthly and Yearly Statistics | ||
| Monthly Maximum, Minimum, Mean/Total |
Yearly Maximum, Minimum, Mean/Total |
|
| Temperature °F | 83.3° on Apr 14 1:04 PM 25.5° on Apr 8 5:36 AM Mean 47.4° |
83.3° on Apr 14 1:04 PM -0.9° on Jan 31 5:34 AM Mean 34.6° |
| Dew Point °F | 60.7° on Apr 15 8:17 AM 11.5° on Apr 9 3:31 PM Mean 37.8° |
60.7° on Apr 15 8:17 AM -14.2° on Jan 24 7:40 AM Mean 25.4° |
| Humidity | 98% on Apr 3 7:01 AM 18% on Apr 9 1:08 PM Mean 74.4% |
98% on Mar 7 3:12 AM 18% on Apr 9 1:08 PM Mean 72.5% |
| Wind Gust (mph) | S 50 on Apr 14 3:56 PM WSW 0 on Apr 1 12:12 PM Mean 203° 11.9 |
S 90 on Mar 17 12:22 AM NNW 0 on Jan 4 9:36 AM Mean 252° 12.1 |
| Wind Speed | W 35 on Apr 6 4:55 AM N 0 on Apr 7 2:07 AM |
S 57 on Mar 17 12:12 AM N 0 on Jan 4 9:06 AM |
| Barometer | 30.682" on Apr 8 9:44 AM 29.703" on Apr 5 4:32 PM Mean 30.148" |
30.708" on Mar 2 10:38 AM 29.304" on Mar 17 2:16 AM Mean 30.052" |
| Precipitation | Total 0.73" | Total 91.93" |
| Evapotranspiration | Total 2.890" | Total 8.701" |
| Wind Chill Gust °F | Min 11° on Apr 8 3:31 AM | Min -27° on Feb 8 6:42 AM |
| Wind Chill Avg °F | Min 13° on Apr 8 4:54 AM | Min -25° on Feb 8 6:43 AM |
| Heat Index °F | Max 83° on Apr 14 12:58 PM | Max 83° on Apr 14 12:58 PM |
| Sunshine (W/m2) | Max 1227 on Apr 6 12:09 PM Mean 170.0 |
Max 1227 on Apr 6 12:09 PM Mean 118.5 |
| 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 | 4.71V |
Data generated by WxSolution Version 1.9.1.9, Build 2022.03.27.