Woburn Weather Center  89.0°F

06/30/2026 01:15:00 PM

Monthly Reports:
Yearly Reports:
Extreme Heat Warning

EXTREME HEAT WARNING IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM EDT SATURDAY

Extreme Heat Warning issued June 30 at 1:38AM EDT until July 4 at 8:00PM EDT by NWS Boston/Norton MA

* WHAT...Dangerously hot conditions with afternoon heat index values of 98 to 112 degrees expected Wednesday through Saturday afternoons. Currently...Thursday and Friday look to be the worst of the heat and humidity but regardless this will be a prolonged and dangerous heatwave.

* WHERE...This extreme heat warning includes all of southern New England except the Berkshires and south coasts of Massachusetts and Rhode Island...where the watch extreme heat watch remains in place.

* WHEN...From 10 AM Wednesday to 8 PM EDT Saturday. THe worst of the heat and humidity looks to be Thursday and Friday.

* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

* ADDITIONAL DETAILS...This will be a prolonged and dangerous heatwave with little relief at night! Low temperatures will only be dropping into the lower to middle 70s. In fact...the urban heat island of Boston will only see low temperatures drop into the upper 70s to near 80!

* INSTRUCTIONS...Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Expires: June 30 at 2:45 PM EDT
Current Conditions
Air Quality 59    MODERATE   
PM 2.5 14 µg/m³
Outside Temperature 89.0°F
Heat Index 90.1°F
Apparent Temperature 92.1°F
Humidex 99.0°F
Dew Point 63.2°F
Outside Humidity 42%
Barometer 30.009 inHg (-0.041)
Falling Slowly
Wind 3 mph SE (131°)
Rain Rate 0.00 in/h
Rain Today 0.00 in
Rain Yesterday 0.00 in
Storm Rain 0.00 in
Last Rain 06/26/2026 09:50:00 PM
3 days, 15 hours, 25 minutes ago
UV Index 7.0
ET Today 0.09 in
Radiation 818 W/m²
Inside Temperature 84.2°F
 
Today
 
Week
 
Month
 
Year
Outside Temperature 89.2
58.5
89.2
58.5
91.6
41.7
95.7
-6.9
°F
Air Quality Index 62
44
84
38
96
0
173
0
AQI
PM 2.5 15
8
27
7
33
0
87
0
µg/m³
Heat Index 93.6 93.6 104.1 104.1 °F
Wind Chill 58.5 58.5 41.7 -6.9 °F
Dew Point 71.9
56.9
71.9
53.9
78.1
36.4
78.1
-16.3
°F
Outside Humidity 99
39
99
39
99
24
99
15
%
Barometer 30.106
30.005
30.115
29.938
30.251
29.373
30.701
29.263
inHg
Rain 0.00 0.00 2.02 10.56 in
Rain Rate 0.00 0.00 1.67 1.67 in/h
Wind Max 13
133
15
116
30
342
36
206
mph
°
Wind Average 1 1 1 1 mph
Wind RMS 2 2 2 2 mph
Vector Average
Average Direction
1
153
1
115
0
133
0
355
mph
°
UV Index 8.0
0.0
9.0
0.0
11.0
0.0
11.0
0.0
Evapotranspiration 0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
in
Radiation 907
0
1023
0
1278
0
1278
0
W/m²
Inside Temperature 84.4
65.5
84.4
65.5
90.1
60.3
90.1
58.8
°F
Climatological Data
TODAY
Normal High Temp 81.9°F
Record High Temp 94.4°F in 2021
Normal Low Temp 62.3°F
Record Low Temp 55.1°F in 2010
Normal Avg Temp 72.3°F
YESTERDAY
Normal High Temp 81.9°F
Record High Temp 94.0°F in 2021
Normal Low Temp 63.5°F
Record Low Temp 52.0°F in 2015
Normal Avg Temp 71.9°F
Avg Temp 71.8°F
Departure From Normal -0.10F
SEASONAL TEMPERATURES
Last Temp Of 32°F 04/25/2026 06:55:00 AM
66 days, 6 hours, 20 minutes ago
Last Temp Of 90°F 06/12/2026 04:05:00 PM
17 days, 21 hours, 10 minutes ago
Climatological Period 2006 To 2025
Celestial
Rise 5:10 AM   Rise 9:22 PM
Set 8:26 PM   Set 5:19 AM
Daylight 15:15   Full
99%
Sensor Status
Battery Status
Outside T/H OK
Rain Gauge OK
Anemometer OK
Lightning Detector OK
Basement Leak Detector OK
Attic T/H OK
Freezer T/H OK
Garage T/H OK
Dining Room T/H OK
Refrigerator T/H OK
Basement T/H OK
Master Bedroom T/H OK
Latitude 42° 27.48' N
Longitude 071° 11.73' W
Altitude 161 feet
Hardware ECOWITT
Temp WH32EP
Rain WH40H
Anemometer WS68
Lightning WH57
PurpleAir
PA-II-Flex1,2
Server Uptime 9 days, 5 hours, 4 minutes
WeeWX Uptime 1 day, 2 hours, 26 minutes
GW2000 Gateway Uptime 3 days, 23 hours, 43 minutes
GW2000 Gateway Memory 129 KB
WeeWX version 5.4.0
Skin Pauland 5.4.0
1 EPA Correction Applied
2 EPA Final AQI Update
Wx Networks Uploaded To
CWOP N1OTX
Mesowest AP564
PurpleAir Pauland.net
PWSWeather KMAWOBUR2
WOW Woburn Weather Center
Weather Underground KMAWOBUR2
History: Day Week Month Year
Barometer Outside Temperature dayaqi apparent temperature Outside Humidity Wind Speed windrose Rain UV Index Radiation Inside Temperature

This station is controlled by WeeWX, an experimental weather software system written in Python.