| Blue Hill Meteorological Observatory |
| 42° 12' 44"N, 71° 06' 53"W, Elevation 635 feet Milton, Massachusetts USA |
| Today's Highs and Lows | ||
| Temperature | 82.2°F @ 10:44 AM 66.7°F @ 5:15 AM |
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| Dew Point | 68.4°F 10:44 AM 60.1°F 4:00 AM |
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| Humidity | 81% 5:50 AM 60% 10:46 AM |
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| Wind Gust | 17 mph WNW @ 1:23 AM |
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| Wind Speed | 13 mph NW @ 4:01 AM |
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| Barometer | 30.024" 7:24 AM 29.986" 3:33 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 | 0.062" | |
| Wind Chill Gust | Min 66°F 5:14 AM | |
| Wind Chill Avg | Min 66°F 5:15 AM | |
| Heat Index | Max 85°F 10:42 AM | |
| Sunshine | Max 837 W/m2 10:26 AM | |
| 1. Instantaneous rainfall rate. | ||
| Yesterday August 9, 2026 | ||
| Maximum, Minimum | Mean/Total | |
| Temperature | 88.1°F @ 1:40 PM 69.8°F @ 5:21 AM |
78.9° |
| Dew Point | 73.8°F 9:11 AM 62.1°F 7:45 PM |
67.7° |
| Humidity | 92% 5:24 AM 54% 4:07 PM |
71.8% |
| Wind Gust | 27 mph W @ 4:12 PM |
11.6 276° |
| Wind Speed | 21 mph W @ 4:13 PM |
|
| Barometer | 29.996" 11:46 PM 29.909" 3:47 PM |
29.940 |
| Wind Chill Gust | Min 70°F 5:21 AM | |
| Wind Chill Avg | Min 70°F 5:21 AM | |
| Heat Index | Max 96°F 1:39 PM | |
| Sunshine | Max 1023 W/m2 11:52 AM | 261.9 |
| Degree Days |
Heating (Base 65°F): 0 Cooling (Base 65°F): 14 |
|
| Precipitation | 0.00" | |
| Evapotranspiration | 0.245" | |
| 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: 70 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: August 3, 2026 (7 days) | |
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| 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 76.8° |
98.2° on Jul 2 2:13 PM -0.9° on Jan 31 5:34 AM Mean 52.3° |
| Dew Point °F | 78.1° on Aug 6 1:26 PM 58.3° on Aug 4 2:49 PM Mean 68.4° |
78.7° on Jun 12 1:47 PM -14.2° on Jan 24 7:40 AM Mean 41.9° |
| Humidity | 98% on Aug 3 1:25 PM 41% on Aug 4 2:48 PM Mean 77.5% |
98% on Mar 7 3:12 AM 18% on Apr 9 1:08 PM Mean 71.5% |
| Wind Gust (mph) | S 47 on Aug 3 1:38 PM NW 0 on Aug 1 7:28 AM Mean 236° 10.5 |
S 90 on Mar 17 12:22 AM NNW 0 on Jan 4 9:36 AM Mean 245° 11.2 |
| Wind Speed | S 30 on Aug 3 7:46 AM NW 0 on Aug 1 8:37 AM |
S 57 on Mar 17 12:12 AM N 0 on Jan 4 9:06 AM |
| Barometer | 30.180" on Aug 5 7:53 AM 29.730" on Aug 3 3:36 PM Mean 30.009" |
30.708" on Mar 2 10:38 AM 29.304" on Mar 17 2:16 AM Mean 30.004" |
| Precipitation | Total 0.75" | Total 102.82" |
| Evapotranspiration | Total 1.832" | Total 29.669" |
| 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 4:46 AM | Min -25° 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 1192 on Aug 2 1:15 PM Mean 233.4 |
Max 1306 on Jun 7 10:43 AM Mean 179.1 |
| 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 | 4.70V |
Data generated by WxSolution Version 1.9.1.9, Build 2022.03.27.