No Warnings, Watches, or Advisories

Observed at
Lowell, Massachusetts
09-17-2026 05:00 AM

Temperature

66.0°F

Hour Change

-0.1°F

Wet Bulb Temp

64.2°F

Humidity

91%

Hour Change

0%

Dewpoint

63.3°F

Hour Change

-0.1°F

Wind

0 mph from N/A (N/A)

Wind Gust

0 mph

Barometer

30.24 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

70.6°F

Wind Chill

66.0°F

Heat Index

66.6°F

Est. Cumulus Base

793 feet

Today's Highs / Lows

Temperature
Climate Normals

High: 75.2℉ ; Low: 51.1℉

High Temperature

Low Temperature

67.3°F at 12:00 AM

65.7°F at 01:51 AM

High Humidity

Low Humidity

91% at 02:01 AM

86% at 12:00 AM

High Dewpoint

Low Dewpoint

63.7°F at 03:01 AM

62.3°F at 12:37 AM

High Barometer

Low Barometer

30.26 inHg at 12:02 AM

30.24 inHg at 03:57 AM

High Wind Gust

2 mph from 261° at 02:45 AM

High Rain Rate

0.00 in/hr at 12:00 AM

Low Wind Chill

65.7°F at 01:51 AM

High Heat Index

67.8°F at 12:00 AM

Yesterday's Statistics

High Temperature

Low Temperature

82.0°F at 03:52 PM

51.8°F at 04:45 AM

High Humidity

Low Humidity

94% at 05:55 AM

52% at 03:54 PM

High Dewpoint

Low Dewpoint

64.7°F at 05:03 PM

49.5°F at 04:45 AM

High Barometer

Low Barometer

30.36 inHg at 12:05 AM

30.23 inHg at 05:46 PM

High Wind Gust

7 mph from 214° at 10:09 AM

Rain

0.00 in

High Rain Rate

0.00 in/hr at 12:00 AM

Low Wind Chill

51.8°F at 04:45 AM

High Heat Index

83.4°F at 03:52 PM

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*Regional Observations*




USA Extremes: Tuesday, September 15, 2026
(Lower 48)

High Temperature
105°F at Comanche County City Ap, TX
105°F at Muskogee Davis Field, OK
105°F at Mcmullen Target Site, TX

Low Temperature
-15°F at Fritzsche Aaf, CA

High Precipatation
3.02in at Wichita Mcconnell Afb, KS

Data courtesy of NWS-CPC



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Atmospheric CO2
Overnight

Overnight: Partly Cloudy
Partly Cloudy
Thursday

Thursday: Partly Sunny then Chance Rain Showers
Partly Sunny then Chance Rain Showers
Thursday
Night
Thursday Night: Patchy Fog
Patchy Fog
Friday

Friday: Patchy Fog then Mostly Sunny
Patchy Fog then Mostly Sunny
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Lo 61 °F Hi 80 °F Lo 63 °F Hi 75 °F Lo 47 °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: 04:51:32 AM
Start civil twilight: 05:59:06 AM
Sunrise: 06:27:04 AM
Transit: 12:39:46 PM
Sunset: 06:51:45 PM
End civil twilight: 07:19:38 PM
End astro twilight: 08:26:57 PM
Azimuth: 70.9°
Altitude: -16.5°
Right ascension: 175.0°
Declination: 2.2°
Equinox: 09/22/2026 08:05:13 PM
Solstice: 12/21/2026 03:50:14 PM
Moon
Rise: 01:33:42 PM
Transit: 05:48:29 PM
Set: 10:01:05 PM
Azimuth: 342.3°
Altitude: -73.8°
Right ascension: 245.5°
Declination: -27.0°
Full moon: 09/26/2026 12:49:02 PM
New moon: 10/10/2026 11:50:05 AM
Phase: First quarter
(36% full)



Today's Total Daylight:  12 hours, 24 minutes, 40 seconds
2 minutes, 51 seconds Less than Yesterday

Lowell's Daily Climatology



Detailed Historical Data