No Warnings, Watches, or Advisories

Observed at
Lowell, Massachusetts
09-21-2026 05:50 PM

Temperature

65.1°F

Hour Change

-2.3°F

Wet Bulb Temp

57.2°F

Humidity

60%

Hour Change

8%

Dewpoint

50.9°F

Hour Change

1.7°F

Wind

2 mph from 22° (NNE)

Wind Gust

7 mph

Barometer

30.12 inHg

3 Hour Trend

0.01 inHg

Today's Rain

0.04 in

Current Rain Rate

0.00 in/hr

Last Hour of Rain

0.00 in

Apparent Temp

64.3°F

Wind Chill

65.1°F

Heat Index

64.1°F

Est. Cumulus Base

3413 feet

Today's Highs / Lows

Temperature
Climate Normals

High: 73.5℉ ; Low: 49.5℉

High Temperature

Low Temperature

67.8°F at 03:19 PM

52.3°F at 07:03 AM

High Humidity

Low Humidity

96% at 12:45 AM

48% at 03:25 PM

High Dewpoint

Low Dewpoint

55.9°F at 12:00 AM

46.7°F at 03:26 PM

High Barometer

Low Barometer

30.14 inHg at 10:28 AM

30.00 inHg at 12:00 AM

High Wind Gust

14 mph from 348° at 10:04 AM

High Rain Rate

0.00 in/hr at 12:00 AM

Low Wind Chill

52.3°F at 07:03 AM

High Heat Index

66.7°F at 03:19 PM

Yesterday's Statistics

High Temperature

Low Temperature

60.8°F at 05:25 PM

48.3°F at 01:41 AM

High Humidity

Low Humidity

95% at 10:09 PM

70% at 01:02 PM

High Dewpoint

Low Dewpoint

56.9°F at 07:38 PM

45.3°F at 01:25 AM

High Barometer

Low Barometer

30.20 inHg at 12:37 AM

29.98 inHg at 05:16 PM

High Wind Gust

11 mph from 112° at 05:50 PM

Rain

0.13 in

High Rain Rate

0.07 in/hr at 11:12 PM

Low Wind Chill

48.3°F at 01:41 AM

High Heat Index

60.5°F at 05:25 PM

Website Powered By WeeWX Software:  WeeWX.COM
Weewx uptime: 0 days, 7 hours, 22 minutes
Server uptime: 0 days, 9 hours, 34 minutes
weewx v5.4.0


*Regional Observations*




USA Extremes: Sunday, September 20, 2026
(Lower 48)

High Temperature
104°F at Phoenix Airport, AZ
104°F at Mcmullen Target Site, TX

Low Temperature
28°F at Leadville, CO

High Precipatation
2.42in at Arlington Municipal Ap, TX

Data courtesy of NWS-CPC



Lowell Webcams

Courtesy McDonough Funeral Home


New England Webcams


Atmospheric CO2
This
Afternoon
This Afternoon: Partly Sunny
Partly Sunny
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Tuesday

Tuesday: Partly Sunny
Partly Sunny
Tuesday
Night
Tuesday Night: Mostly Cloudy
Mostly Cloudy
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
Hi 69 °F Lo 48 °F Hi 64 °F Lo 47 °F Hi 64 °F


CURRENT SURFACE MAPS

GeoColor - True Color daytime, multispectral IR at night

Click Above Images to Enlarge



24 Hour Plots - Mouseover for Weekly Plots


Lowell Almanac Information
Station Elevation: 178 ft  Latitude: 42° 37' 33" N  Longitude: 71° 20' 12" W

Today's Almanac
Sun
Start astro twilight: 04:56:33 AM
Start civil twilight: 06:03:30 AM
Sunrise: 06:31:41 AM
Transit: 12:38:21 PM
Sunset: 06:44:17 PM
End civil twilight: 07:12:25 PM
End astro twilight: 08:19:07 PM
Azimuth: 262.1°
Altitude: 9.2°
Right ascension: 179.0°
Declination: 0.4°
Equinox: 09/22/2026 08:05:13 PM
Solstice: 12/21/2026 03:50:14 PM
Moon
Rise: 04:29:06 PM
Transit: 09:09:13 PM
Set: 12:50:46 AM
Azimuth: 135.1°
Altitude: 10.8°
Right ascension: 305.7°
Declination: -22.7°
Full moon: 09/26/2026 12:49:02 PM
New moon: 10/10/2026 11:50:05 AM
Phase: Waxing gibbous
(78% full)



Today's Total Daylight:  12 hours, 12 minutes, 36 seconds
2 minutes, 50 seconds Less than Yesterday

Lowell's Daily Climatology



Detailed Historical Data