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Heat Advisory HEAT ADVISORY - Norfolk County
IMPERIAL | METRIC
Updated: Aug-06-2026 @ 9:49am   (0 sec ago)
Temperature Current Conditions Current Forecast / Storm Prediction
Currently Outside: Warmer 3.5°F than last hour.

80.7°F

Heat Index:  86.7°F
Feels like:  87°F
---
High Today
80.7°F
9:46 AM 		Low Today
67.9°F
1:16 AM
Yest High
86.9°F
5:48 PM 		Yest Low
60.5°F
6:22 AM
Station High*
96.0°F
2022 		Station Low*
47.0°F
2013
* Today's Station Records Since 2/2009
Overcast Overcast

Wind from SW Wind:  SW
4.8
Gusting to:
 2.7 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
0.3 of 100
Today

Today: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Tonight

Tonight: Slight Chance Showers And Thunderstorms then Mostly Clear
Slight Chance Showers And T-Storms then Mostly Clear
Friday

Friday: Sunny then Slight Chance Showers And Thunderstorms
Sunny then Slight Chance Showers And T-Storms
Hi 89°F Lo 73°F Hi 90°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 32.1°F since last hour. 75.8°F
Last Hour: Increased 32.1°F since last hour. 32.1°F
High&nbsp9:26 AM: 76.4°F
Low 12:21 AM: 64.0°F
Record High: 82.8°F on
Aug-9-2024
Record Low: -18.6°F on
Feb-4-2016
Wetbulb: 77.2°F
Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 1.39 in
Aug Rain: 1.09 in
Aug to Date
  Avg:10 		0.55 in
Aug to Date
  Diff from Avg:10 		Over 0.54 in for the month 0.54 in
Aug Avg: 2.16 in
Diff from Avg: Under 1.07 in for the month 1.07 in
Season:1 22.36 in
YTD
  Avg:11 		28.53 in
YTD
  Diff from Avg:11 		Under 6.17 in for the year 6.17 in
Last Rain
Time/Date: 		Aug-3-2026
at 7:18 PM
78 rain days in 2026
1 day in August
2 days since last rain
Southern New England
Storm Totals
Storm Reports
Current: SW  4.8 mph
1Hr Average: 1.8 mph
Wind Run: 2.42 miles
Wind Gust
Current: 2.7 mph
Today: 9.4 mph 9:47 AM
Month: 18.8 mph Aug-5
Year: 46.9 mph Mar-14
Record Gust: 55.0 mph
Feb-25-2019
Sunlight:
14 h 17 m 2 s
of Sunlight Yesterday
14 h 14 m 44 s
of Sunlight Today Which is
2 min 18 sec shorter than
yesterday
 (Noon ?>) graph (Midnight

Waning Crescent
Waning Crescent, 23 days, 4 hours, 6 minutes in cycle
44%
Illuminated
Humidity Barometer
Current: Decreased 10% since last hour. 85%
Last Hour: Decreased 10% since last hour. 10%
High 4:04 AM: 99%
Low 12:00 AM: 84%
Record High: 100%
Jul-12-2017
Record Low: 0%
May-24-2024
Current: Rising 0.01 inHg/hr 30.131 inHg
Last Hour: Steady
High 9:26 AM: 30.131
Low 4:10 AM: 30.081
Record High: 33.091 inHg
Aug-15-2019
Record Low: 25.567 inHg
Dec-16-2023
Cooling Degree Days Snow3 Heat Index Air
Today: 1.8
Aug: 48.2
2026 to Date: 51.3
Heating Degree Days
2026 to Date: 3591.6
Today: 0.00 in
Yesterday: 0.00 in
Aug Snow: No Change 0.00 in
Aug Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 58.30 in
Snow Depth: 0.00 in
0 snow days in August
15 snow days in 2026.
Average 1st Snow:
0
Current: 86.7°F
High 9:46am: 86.8°F
Yesterday: 88.9°F
Record: 116.8°F
Jul-6-2023
Quality
Index6:
29

Good


Density:
1.17 kg/m3
UV Summary/Forecast Solar Summary
Aug-06

8.9 		Aug-07

8.0 		Aug-08

7.4
Sunrise is at: 5:42
Solar Noon: val_s
Sunset is at: 19:56
Almanac Get Your Weather Banner Station All Time Records Cloud Level
Currently: Morning
YTD Avg Temp: 53.0°F
Sunrise: 5:42
Sunset: 19:56
Moonrise: 23:42
Moonset: 15:42
Full Moon: Jul-29-2026
New Moon: 20:25 UTC
Aug-12-2026
Current Weather Conditions in Medfield, MA
SouthernNewEngland
Storm Total
Storm Reports
HIGHS: LOWS:
103.3°F
Jul-22-2011 		-13.2°F
Feb-24-2015
Daytime Records
  96.1°F°F
Jul-06-2010 		  1.9°F°F
Jan-21-2019
Nitetime Records
  82.6°F°F
Jul-03-2026 		  -6.2°F°F
Feb-04-2023
ICN:18 | S3C2:1 | Ajax 3.xx
ISS:Ok |
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured.   6 Air Quality Index is updated hourly between the hours of 6AM and Midnight.   10 Historical average only to day 6 of just the month of August for this station since 2009.   11 Historical average rain this season to day 6 of August for this station since 2009.
 NWS Weather Forecast  -   Outlook Today & Tonight
Today

Today: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms

Hi 89°F 		NWS forecast: A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 89. Heat index values as high as 99. Southwest wind 2 to 7 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
 Tonight

Tonight: Slight Chance Showers And Thunderstorms then Mostly Clear
Slight Chance Showers And T-Storms then Mostly Clear

Lo 73°F 		NWS forecast: A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. Heat index values as high as 96. Southwest wind 2 to 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
 NWS Short Term Weather Forecast
Friday

Friday: Sunny then Slight Chance Showers And Thunderstorms
Sunny then Slight Chance Showers And T-Storms
Friday
Night
Friday Night: Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms then Chance Showers And T-Storms
Saturday

Saturday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms then Partly Cloudy
Chance Showers And T-Storms then Partly Cloudy
Sunday

Sunday: Sunny
Sunny
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday

Monday: Sunny
Sunny
Hi 90°F Lo 73°F Hi 88°F Lo 71°F Hi 89°F Lo 68°F Hi 89°F
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