No Warnings, Watches, or Advisories

Observed at
Lowell, Massachusetts
09-18-2026 07:30 AM

Temperature

64.7°F

Hour Change

0.0°F

Wet Bulb Temp

63.9°F

Humidity

96%

Hour Change

0%

Dewpoint

63.5°F

Hour Change

0.0°F

Wind

0 mph from N/A (N/A)

Wind Gust

3 mph

Barometer

30.02 inHg

3 Hour Trend

0.01 inHg

Today's Rain

0.00 in

Current Rain Rate

0.00 in/hr

Last Hour of Rain

0.00 in

Apparent Temp

69.4°F

Wind Chill

64.7°F

Heat Index

65.4°F

Est. Cumulus Base

444 feet

Today's Highs / Lows

Temperature
Climate Normals

High: 74.8℉ ; Low: 50.7℉

High Temperature

Low Temperature

69.0°F at 12:00 AM

64.5°F at 05:55 AM

High Humidity

Low Humidity

96% at 12:00 AM

95% at 12:45 AM

High Dewpoint

Low Dewpoint

67.8°F at 12:00 AM

63.0°F at 05:55 AM

High Barometer

Low Barometer

30.02 inHg at 07:29 AM

29.99 inHg at 05:23 AM

High Wind Gust

12 mph from 0° at 12:54 AM

High Rain Rate

0.00 in/hr at 12:00 AM

Low Wind Chill

64.5°F at 05:55 AM

High Heat Index

70.1°F at 12:00 AM

Yesterday's Statistics

High Temperature

Low Temperature

82.1°F at 03:00 PM

64.4°F at 07:01 AM

High Humidity

Low Humidity

96% at 11:48 PM

65% at 03:01 PM

High Dewpoint

Low Dewpoint

70.2°F at 02:57 PM

62.1°F at 06:17 AM

High Barometer

Low Barometer

30.26 inHg at 12:02 AM

30.00 inHg at 11:58 PM

High Wind Gust

10 mph from 120° at 01:12 PM

Rain

0.18 in

High Rain Rate

0.78 in/hr at 08:47 PM

Low Wind Chill

64.4°F at 07:01 AM

High Heat Index

86.0°F at 03:00 PM

Website Powered By WeeWX Software:  WeeWX.COM
Weewx uptime: 45 days, 22 hours, 35 minutes
Server uptime: 45 days, 22 hours, 35 minutes
weewx v5.4.0


*Regional Observations*




USA Extremes: Wednesday, September 16, 2026
(Lower 48)

High Temperature
105°F at Comanche County City Ap, TX

Low Temperature
25°F at West Yellowstone, MT

High Precipatation
3.68in at Mesa Falcon Field, AZ

Data courtesy of NWS-CPC



Lowell Webcams

Courtesy McDonough Funeral Home


New England Webcams


Atmospheric CO2
Today

Today: Sunny
Sunny
Tonight

Tonight: Mostly Clear
Mostly Clear
Saturday

Saturday: Sunny
Sunny
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Sunday

Sunday: Rain Showers Likely
Rain Showers Likely
Hi 76 °F Lo 47 °F Hi 66 °F Lo 47 °F Hi 65 °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: 04:52:48 AM
Start civil twilight: 06:00:12 AM
Sunrise: 06:28:09 AM
Transit: 12:39:25 PM
Sunset: 06:49:56 PM
End civil twilight: 07:17:49 PM
End astro twilight: 08:24:59 PM
Azimuth: 97.3°
Altitude: 10.5°
Right ascension: 175.9°
Declination: 1.8°
Equinox: 09/22/2026 08:05:13 PM
Solstice: 12/21/2026 03:50:14 PM
Moon
Rise: 02:29:07 PM
Transit: 06:39:56 PM
Set: 10:51:10 PM
Azimuth: 51.3°
Altitude: -69.5°
Right ascension: 260.5°
Declination: -28.2°
Full moon: 09/26/2026 12:49:02 PM
New moon: 10/10/2026 11:50:05 AM
Phase: First quarter
(47% full)



Today's Total Daylight:  12 hours, 21 minutes, 47 seconds
2 minutes, 51 seconds Less than Yesterday

Lowell's Daily Climatology



Detailed Historical Data