Flood Watch FLOOD WATCH - Middlesex County

Observed at
Lowell, Massachusetts
09-27-2026 06:00 PM

Temperature

56.6°F

Hour Change

0.0°F

Wet Bulb Temp

55.9°F

Humidity

96%

Hour Change

0%

Dewpoint

55.5°F

Hour Change

0.0°F

Wind

4 mph from 22° (NNE)

Wind Gust

15 mph

Barometer

29.89 inHg

3 Hour Trend

0.03 inHg

Today's Rain

0.64 in

Current Rain Rate

0.00 in/hr

Last Hour of Rain

0.00 in

Apparent Temp

56.0°F

Wind Chill

56.6°F

Heat Index

56.5°F

Est. Cumulus Base

434 feet

Today's Highs / Lows

Temperature
Climate Normals

High: 70.8℉ ; Low: 46.9℉

High Temperature

Low Temperature

57.4°F at 01:20 PM

56.2°F at 06:58 AM

High Humidity

Low Humidity

96% at 05:42 AM

94% at 12:00 AM

High Dewpoint

Low Dewpoint

56.3°F at 01:20 PM

54.9°F at 06:11 AM

High Barometer

Low Barometer

29.89 inHg at 05:56 PM

29.78 inHg at 04:14 AM

High Wind Gust

25 mph from 30° at 04:14 AM

High Rain Rate

0.51 in/hr at 07:57 AM

Low Wind Chill

56.2°F at 06:58 AM

High Heat Index

57.4°F at 01:20 PM

Yesterday's Statistics

High Temperature

Low Temperature

62.0°F at 12:59 PM

55.2°F at 04:54 PM

High Humidity

Low Humidity

94% at 11:10 PM

66% at 12:58 PM

High Dewpoint

Low Dewpoint

55.5°F at 09:35 PM

50.3°F at 01:25 PM

High Barometer

Low Barometer

30.04 inHg at 12:00 AM

29.83 inHg at 11:57 PM

High Wind Gust

27 mph from 5° at 01:43 PM

Rain

0.18 in

High Rain Rate

0.53 in/hr at 05:36 PM

Low Wind Chill

55.2°F at 04:54 PM

High Heat Index

61.0°F at 12:59 PM

Website Powered By WeeWX Software:  WeeWX.COM
Weewx uptime: 3 days, 8 hours, 25 minutes
Server uptime: 3 days, 8 hours, 26 minutes
weewx v5.4.0


*Regional Observations*




USA Extremes: Saturday, September 26, 2026
(Lower 48)

High Temperature
104°F at Comanche County City Ap, TX
104°F at Mcmullen Target Site, TX

Low Temperature
25°F at Stanley Ranger Station, ID

High Precipatation
3.29in at Vineyard Haven Marthas Vineyard Ap, MA

Data courtesy of NWS-CPC



Lowell Webcams

Courtesy McDonough Funeral Home


New England Webcams


Atmospheric CO2
This
Afternoon
This Afternoon: Patchy Fog
Patchy Fog
Tonight

Tonight: Patchy Fog
Patchy Fog
Monday

Monday: Patchy Fog
Patchy Fog
Monday
Night
Monday Night: Patchy Fog
Patchy Fog
Tuesday

Tuesday: Rain Showers Likely
Rain Showers Likely
Hi 61 °F Lo 53 °F Hi 59 °F Lo 51 °F Hi 66 °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: 05:03:52 AM
Start civil twilight: 06:10:04 AM
Sunrise: 06:38:10 AM
Transit: 12:36:16 PM
Sunset: 06:33:38 PM
End civil twilight: 07:01:41 PM
End astro twilight: 08:07:42 PM
Azimuth: 262.4°
Altitude: 5.5°
Right ascension: 184.4°
Declination: -1.9°
Solstice: 12/21/2026 03:50:14 PM
Equinox: 03/20/2027 04:24:41 PM
Moon
Rise: 06:45:05 PM
Transit: 12:54:29 AM
Set: 07:40:14 AM
Azimuth: 66.5°
Altitude: -8.5°
Right ascension: 17.9°
Declination: 11.0°
New moon: 10/10/2026 11:50:05 AM
Full moon: 10/26/2026 12:11:48 AM
Phase: Full
(98% full)



Today's Total Daylight:  11 hours, 55 minutes, 27 seconds
2 minutes, 51 seconds Less than Yesterday

Lowell's Daily Climatology



Detailed Historical Data