No Warnings, Watches, or Advisories

Observed at
Lowell, Massachusetts
09-15-2026 04:40 AM

Temperature

47.8°F

Hour Change

-0.7°F

Wet Bulb Temp

46.5°F

Humidity

91%

Hour Change

2%

Dewpoint

45.3°F

Hour Change

-0.1°F

Wind

0 mph from N/A (N/A)

Wind Gust

0 mph

Barometer

30.30 inHg

3 Hour Trend

0.05 inHg

Today's Rain

0.00 in

Current Rain Rate

0.00 in/hr

Last Hour of Rain

0.00 in

Apparent Temp

46.7°F

Wind Chill

47.8°F

Heat Index

46.6°F

Est. Cumulus Base

746 feet

Today's Highs / Lows

Temperature
Climate Normals

High: 76.0℉ ; Low: 51.9℉

High Temperature

Low Temperature

54.9°F at 12:03 AM

47.8°F at 04:38 AM

High Humidity

Low Humidity

91% at 04:23 AM

73% at 12:03 AM

High Dewpoint

Low Dewpoint

46.6°F at 12:45 AM

45.2°F at 04:18 AM

High Barometer

Low Barometer

30.31 inHg at 04:14 AM

30.23 inHg at 12:49 AM

High Wind Gust

2 mph from 355° at 12:39 AM

High Rain Rate

0.00 in/hr at 12:03 AM

Low Wind Chill

47.8°F at 04:38 AM

High Heat Index

53.5°F at 12:03 AM

Yesterday's Statistics

High Temperature

Low Temperature

71.6°F at 01:52 PM

55.0°F at 11:59 PM

High Humidity

Low Humidity

97% at 12:16 AM

41% at 02:13 PM

High Dewpoint

Low Dewpoint

65.1°F at 12:16 AM

45.3°F at 06:00 PM

High Barometer

Low Barometer

30.23 inHg at 11:31 PM

29.77 inHg at 02:06 AM

High Wind Gust

19 mph from 17° at 10:27 AM

Rain

0.01 in

High Rain Rate

0.00 in/hr at 12:00 AM

Low Wind Chill

55.0°F at 11:59 PM

High Heat Index

70.6°F at 01:52 PM

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*Regional Observations*




USA Extremes: Sunday, September 13, 2026
(Lower 48)

High Temperature
107°F at Imperial County Ap, CA

Low Temperature
10°F at Fritzsche Aaf, CA

High Precipatation
4.33in at Igor I Sikorsky Memorial Airport, CT

Data courtesy of NWS-CPC



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Atmospheric CO2
Overnight

Overnight: Clear
Clear
Tuesday

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

Wednesday: Mostly Sunny
Mostly Sunny
Wednesday
Night
Wednesday Night: Mostly Cloudy
Mostly Cloudy
Lo 47 °F Hi 70 °F Lo 51 °F Hi 80 °F Lo 60 °F


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

Today's Almanac
Sun
Start astro twilight: 04:48:58 AM
Start civil twilight: 05:56:54 AM
Sunrise: 06:24:48 AM
Transit: 12:40:29 PM
Sunset: 06:55:26 PM
End civil twilight: 07:23:15 PM
End astro twilight: 08:30:56 PM
Azimuth: 66.4°
Altitude: -19.5°
Right ascension: 173.1°
Declination: 3.0°
Equinox: 09/22/2026 08:05:13 PM
Solstice: 12/21/2026 03:50:14 PM
Moon
Rise: 11:26:01 AM
Transit: 04:08:27 PM
Set: 08:44:10 PM
Azimuth: 31.4°
Altitude: -65.7°
Right ascension: 219.7°
Declination: -21.1°
Full moon: 09/26/2026 12:49:02 PM
New moon: 10/10/2026 11:50:05 AM
Phase: Waxing crescent
(19% full)



Today's Total Daylight:  12 hours, 30 minutes, 38 seconds
2 minutes, 51 seconds Less than Yesterday

Lowell's Daily Climatology



Detailed Historical Data