No Warnings, Watches, or Advisories

Observed at
Lowell, Massachusetts
07-21-2026 04:20 PM

Temperature

77.0°F

Hour Change

-1.6°F

Wet Bulb Temp

69.0°F

Humidity

66%

Hour Change

1%

Dewpoint

64.8°F

Hour Change

-1.1°F

Wind

6 mph from 158° (SSE)

Wind Gust

15 mph

Barometer

29.81 inHg

3 Hour Trend

-0.09 inHg

Today's Rain

0.00 in

Current Rain Rate

0.00 in/hr

Last Hour of Rain

0.00 in

Apparent Temp

78.8°F

Wind Chill

77.0°F

Heat Index

77.5°F

Est. Cumulus Base

2962 feet

Today's Highs / Lows

Temperature
Climate Normals

High: 85.0℉ ; Low: 61.4℉

High Temperature

Low Temperature

78.6°F at 03:18 PM

60.4°F at 05:41 AM

High Humidity

Low Humidity

90% at 06:00 AM

58% at 02:08 PM

High Dewpoint

Low Dewpoint

66.5°F at 11:02 AM

55.2°F at 12:20 AM

High Barometer

Low Barometer

29.96 inHg at 01:32 AM

29.81 inHg at 04:17 PM

High Wind Gust

17 mph from 167° at 10:29 AM

High Rain Rate

0.00 in/hr at 12:00 AM

Low Wind Chill

60.4°F at 05:41 AM

High Heat Index

79.3°F at 03:18 PM

Yesterday's Statistics

High Temperature

Low Temperature

85.9°F at 03:24 PM

55.8°F at 05:54 AM

High Humidity

Low Humidity

82% at 06:56 AM

32% at 03:20 PM

High Dewpoint

Low Dewpoint

58.7°F at 10:18 AM

50.0°F at 03:38 AM

High Barometer

Low Barometer

29.97 inHg at 10:16 AM

29.87 inHg at 02:59 AM

High Wind Gust

12 mph from 239° at 03:00 PM

Rain

0.00 in

High Rain Rate

0.00 in/hr at 12:00 AM

Low Wind Chill

55.8°F at 05:54 AM

High Heat Index

84.2°F at 03:24 PM

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*Regional Observations*




USA Extremes: Monday, July 20, 2026
(Lower 48)

High Temperature
117°F at Laughlin Bullhead Intl Ap, AZ

Low Temperature
37°F at Mount Washington, NH

High Precipatation
5.70in at Galesburg Municipal Ap, IL

Data courtesy of NWS-CPC



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Atmospheric CO2
This
Afternoon
This Afternoon: Chance Rain Showers
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Tonight

Tonight: Showers And Thunderstorms
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Wednesday

Wednesday: Chance Showers And Thunderstorms
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Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms then Partly Cloudy
Chance Showers And T-Storms then Partly Cloudy
Thursday

Thursday: Sunny
Sunny
Hi 82 °F Lo 66 °F Hi 85 °F Lo 59 °F Hi 81 °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: 03:22:34 AM
Start civil twilight: 04:53:16 AM
Sunrise: 05:26:13 AM
Transit: 12:51:48 PM
Sunset: 08:16:50 PM
End civil twilight: 08:49:41 PM
End astro twilight: 10:19:49 PM
Azimuth: 259.7°
Altitude: 41.3°
Right ascension: 121.2°
Declination: 20.3°
Equinox: 09/22/2026 08:05:13 PM
Solstice: 12/21/2026 03:50:14 PM
Moon
Rise: 01:44:20 PM
Transit: 06:49:43 PM
Set: 11:46:44 PM
Azimuth: 142.5°
Altitude: 20.8°
Right ascension: 210.0°
Declination: -17.8°
Full moon: 07/29/2026 10:35:43 AM
New moon: 08/12/2026 01:36:44 PM
Phase: First quarter
(54% full)


Today's Total Daylight:  14 hours, 50 minutes, 37 seconds
1 minute, 45 seconds Less than Yesterday

Lowell's Daily Climatology



Detailed Historical Data