Woburn Weather Center  70.3°F

05/19/2026 11:45:00 PM

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Yearly Reports:
Heat Advisory

HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT WEDNESDAY

Heat Advisory issued May 19 at 2:02PM 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 Wednesday.

* 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 6:00 AM EDT
Current Conditions
Air Quality 67    MODERATE   
PM 2.5 18 µg/m³
Outside Temperature 70.3°F
Apparent Temperature 77.4°F
Humidex 84.8°F
Dew Point 69.0°F
Outside Humidity 96%
Barometer 29.893 inHg (-0.009)
Steady
Wind 0 mph N/A ( N/A)
Rain Rate 0.00 in/h
Rain Today 0.04 in
Rain Yesterday 0.00 in
Storm Rain 0.04 in
Last Rain 05/19/2026 06:20:00 PM
0 days, 5 hours, 25 minutes ago
UV Index 0.0
ET Today 0.18 in
Radiation 0 W/m²
Inside Temperature 76.8°F
 
Today
 
Week
 
Month
 
Year
Outside Temperature 95.7
59.0
95.7
54.1
95.7
35.1
95.7
-6.9
°F
Air Quality Index 69
30
72
18
127
0
173
0
AQI
PM 2.5 19
5
20
3
46
0
87
0
µg/m³
Heat Index 100.9 100.9 100.9 100.9 °F
Wind Chill 59.0 54.1 35.1 -6.9 °F
Dew Point 72.3
56.6
72.3
45.5
72.3
24.3
72.3
-16.3
°F
Outside Humidity 97
33
98
29
99
24
99
15
%
Barometer 30.085
29.822
30.248
29.822
30.248
29.669
30.701
29.263
inHg
Rain 0.04 0.08 1.35 7.18 in
Rain Rate 0.14 0.14 0.47 1.17 in/h
Wind Max 14
2
14
223
25
187
36
206
mph
°
Wind Average 1 1 1 1 mph
Wind RMS 1 1 1 2 mph
Vector Average
Average Direction
0
72
1
82
0
241
0
330
mph
°
UV Index 7.0
0.0
8.0
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 837
0
954
0
1196
0
1196
0
W/m²
Inside Temperature 86.7
65.3
86.7
65.3
86.7
59.9
86.7
59.9
°F
Climatological Data
TODAY
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
YESTERDAY
Normal High Temp 68.5°F
Record High Temp 94.3°F in 2017
Normal Low Temp 47.4°F
Record Low Temp 31.0°F in 2023
Normal Avg Temp 58.3°F
Avg Temp 65.3°F
Departure From Normal 6.95F
SEASONAL TEMPERATURES
Last Temp Of 32°F 04/25/2026 06:55:00 AM
24 days, 16 hours, 50 minutes ago
Last Temp Of 90°F 05/19/2026 05:30:00 PM
0 days, 6 hours, 15 minutes ago
Climatological Period 2006 To 2025
Celestial
Rise 5:18 AM   Rise 7:30 AM
Set 8:04 PM   Set 11:51 PM
Daylight 14:45   Waxing crescent
16%
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 2 days, 6 hours, 52 minutes
WeeWX Uptime 1 day, 13 hours, 13 minutes
GW2000 Gateway Uptime 24 days, 11 hours, 46 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.