Woburn Weather Center  79.6°F

05/20/2026 07:05:00 PM

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Yearly Reports:
Heat Advisory

HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING

Heat Advisory issued May 20 at 9:33AM EDT until May 20 at 8:00PM EDT by NWS Boston/Norton MA

* WHAT...Heat index values up to 96.

* WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

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

Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Expires: May 20 at 8:00 PM EDT
Current Conditions
Air Quality 16    GOOD   
PM 2.5 3 µg/m³
Outside Temperature 79.6°F
Heat Index 79.6°F
Apparent Temperature 82.2°F
Humidex 87.0°F
Dew Point 59.4°F
Outside Humidity 50%
Barometer 29.854 inHg (0.023)
Rising Rapidly
Wind 1 mph ENE (60°)
Rain Rate 0.00 in/h
Rain Today 0.00 in
Rain Yesterday 0.04 in
Storm Rain 0.00 in
Last Rain 05/19/2026 06:20:00 PM
1 day, 0 hours, 45 minutes ago
UV Index 0.0
ET Today 0.16 in
Radiation 27 W/m²
Inside Temperature 86.7°F
 
Today
 
Week
 
Month
 
Year
Outside Temperature 88.0
66.7
95.7
54.1
95.7
35.1
95.7
-6.9
°F
Air Quality Index 71
14
72
14
127
0
173
0
AQI
PM 2.5 20
3
20
3
46
0
87
0
µg/m³
Heat Index 91.5 100.9 100.9 100.9 °F
Wind Chill 66.7 54.1 35.1 -6.9 °F
Dew Point 72.2
59.0
72.3
45.5
72.3
24.3
72.3
-16.3
°F
Outside Humidity 98
44
98
29
99
24
99
15
%
Barometer 29.899
29.822
30.248
29.822
30.248
29.669
30.701
29.263
inHg
Rain 0.00 0.08 1.35 7.18 in
Rain Rate 0.00 0.14 0.47 1.17 in/h
Wind Max 13
131
14
223
25
187
36
206
mph
°
Wind Average 1 1 1 1 mph
Wind RMS 2 1 1 2 mph
Vector Average
Average Direction
1
29
1
66
0
291
0
332
mph
°
UV Index 9.0
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 1010
0
1010
0
1196
0
1196
0
W/m²
Inside Temperature 88.2
72.0
88.2
65.3
88.2
59.9
88.2
59.9
°F
Climatological Data
TODAY
Normal High Temp 72.3°F
Record High Temp 88.0°F in 2026
Normal Low Temp 49.4°F
Record Low Temp 37.7°F in 2020
Normal Avg Temp 61.0°F
YESTERDAY
Normal High Temp 68.0°F
Record High Temp 95.7°F in 2026
Normal Low Temp 47.9°F
Record Low Temp 38.0°F in 2009
Normal Avg Temp 58.0°F
Avg Temp 77.6°F
Departure From Normal 19.58F
SEASONAL TEMPERATURES
Last Temp Of 32°F 04/25/2026 06:55:00 AM
25 days, 12 hours, 10 minutes ago
Last Temp Of 90°F 05/19/2026 05:30:00 PM
1 day, 1 hour, 35 minutes ago
Climatological Period 2006 To 2025
Celestial
Rise 5:18 AM   Rise 8:47 AM
Set 8:05 PM   Set 12:34 AM
Daylight 14:46   Waxing crescent
24%
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 0 days, 12 hours, 46 minutes
WeeWX Uptime 0 days, 0 hours, 12 minutes
GW2000 Gateway Uptime 25 days, 7 hours, 6 minutes
GW2000 Gateway Memory 129 KB
WeeWX version 5.3.1
Skin Pauland 5.3.1
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.