21.8°C
| Humidity | 78% |
| Dew Point | 64.1°F (17.8°C) |
| Wind | SW 11 G 19 mph |
| Heat Index | 71°F |
| Barometer | 30.052" (1017.7 mb) |
| Solar | 288 W/m2 |
| Rainfall | 0.00" (0.00"/hr) |
Facing WNW. Updated every 15 minutes.
Source: Camnet
| Blue Hill Meteorological Observatory 2 |
| 42° 12' 44"N, 71° 06' 53"W, Elevation 635 feet Milton, Massachusetts USA |
| Tuesday, May 19, 2026 | ||||||||||||||||
| 6:30 AM (Eastern Standard Time) | ||||||||||||||||
| Updated every 10 minutes | ||||||||||||||||
| 71.3°F 21.8°C |
|
Facing WNW. Updated every 15 minutes. Source: Camnet |
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| Today's Highs and Lows | ||
| Temperature | 71.3°F @ 6:29 AM 65.5°F @ 4:06 AM |
|
| Dew Point | 64.1°F 6:29 AM 60.5°F 4:06 AM |
|
| Humidity | 85% 4:07 AM 78% 12:00 AM |
|
| Wind Gust | 23 mph SW @ 5:51 AM |
|
| Wind Speed | 18 mph SW @ 1:26 AM |
|
| Barometer | 30.097" 12:00 AM 30.047" 3:54 AM |
|
| Precipitation | Max 0.00"1 12:00 AM Last 24 hours 0.00" Storm total 0.00" |
|
| Evapotranspiration | 0.015" | |
| Wind Chill Gust | Min 64°F 4:14 AM | |
| Wind Chill Avg | Min 64°F 4:09 AM | |
| Heat Index | Max 71°F 6:25 AM | |
| Sunshine | Max 288 W/m2 6:29 AM | |
| 1. Instantaneous rainfall rate. | ||
| Yesterday May 18, 2026 | ||
| Maximum, Minimum | Mean/Total | |
| Temperature | 84.8°F @ 4:10 PM 62.4°F @ 5:09 AM |
73.6° |
| Dew Point | 63.3°F 5:07 PM 44.0°F 3:47 AM |
54.2° |
| Humidity | 78% 11:50 PM 34% 12:34 PM |
53.2% |
| Wind Gust | 35 mph S @ 5:00 PM |
12.5 167° |
| Wind Speed | 24 mph SSW @ 5:01 PM |
|
| Barometer | 30.249" 8:07 AM 30.084" 5:08 PM |
30.155 |
| Wind Chill Gust | Min 60°F 5:09 AM | |
| Wind Chill Avg | Min 61°F 5:21 AM | |
| Heat Index | Max 85°F 3:49 PM | |
| Sunshine | Max 998 W/m2 10:40 AM | 302.4 |
| Degree Days |
Heating (Base 65°F): 0 Cooling (Base 65°F): 9 |
|
| Precipitation | 0.00" | |
| Evapotranspiration | 0.302" | |
| Precipitation Types | none | |
| Snowfall | 0.0" | |
| Snowcover | 0" | |
| Forecast |
| Increasing clouds with little temperature change. Precipitation possible within 24 to 48 hours. |
| Number of Days | |
| For May | For 2026 |
| Rain: 7 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: 47 Snow: 0 Heavy Fog: 0 Thunder: 0 High ≥ 90°F: 0 Low ≤ 32°F: 83 High ≤ 32°F: 30 Low ≤ 0°F: 3 Cloudy: 0 Partly Cloudy: 0 Clear: 0 |
| Date of last rainfall: May 17, 2026 (2 days) | |
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| Monthly and Yearly Statistics | ||
| Monthly Maximum, Minimum, Mean/Total |
Yearly Maximum, Minimum, Mean/Total |
|
| Temperature °F | 86.3° on May 17 3:37 PM 40.4° on May 8 3:40 AM Mean 57.7° |
86.3° on May 17 3:37 PM -0.9° on Jan 31 5:46 AM Mean 39.3° |
| Dew Point °F | 64.1° on May 19 6:29 AM 25.3° on May 3 6:33 PM Mean 43.5° |
64.1° on May 19 6:29 AM -79.1° on Jan 25 6:01 PM Mean 28.9° |
| Humidity | 98% on May 15 6:50 AM 27% on May 4 12:50 PM Mean 65.1% |
98% on Mar 7 3:12 AM 0% on Jan 25 6:01 PM Mean 70.6% |
| Wind Gust (mph) | S 49 on May 5 2:42 PM NW 0 on May 1 9:31 PM Mean 237° 12.3 |
S 105 on Mar 17 12:22 AM W 0 on Jan 2 12:16 PM Mean 252° 11.9 |
| Wind Speed | S 34 on May 5 3:12 PM N 0 on May 1 6:15 AM |
S 68 on Mar 17 12:12 AM N 0 on Jan 4 9:06 AM |
| Barometer | 30.249" on May 18 8:07 AM 29.693" on May 14 5:20 PM Mean 29.915" |
30.707" on Mar 2 10:37 AM 29.286" on Mar 17 2:00 AM Mean 30.019" |
| Precipitation | Total 0.96" | Total 93.40" |
| Evapotranspiration | Total 3.164" | Total 12.558" |
| Wind Chill Gust °F | Min 32° on May 3 6:42 AM | Min -27° on Feb 8 6:42 AM |
| Wind Chill Avg °F | Min 33° on May 3 6:33 AM | Min -24° on Feb 8 6:43 AM |
| Heat Index °F | Max 86° on May 17 12:43 PM | Max 86° on May 17 12:43 PM |
| Sunshine (W/m2) | Max 1259 on May 12 10:58 AM Mean 221.4 |
Max 1259 on May 12 10:58 AM Mean 141.6 |
| 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. |
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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.