Heat Advisory HEAT ADVISORY - Middlesex County
Air Quality Alert AIR QUALITY ALERT - Middlesex County

Observed at
Lowell, Massachusetts
05-19-2026 12:10 AM

Temperature

60.8°F

Hour Change

-1.4°F

Wet Bulb Temp

56.5°F

Humidity

76%

Hour Change

3%

Dewpoint

53.2°F

Hour Change

-0.3°F

Wind

0 mph from N/A (N/A)

Wind Gust

2 mph

Barometer

30.07 inHg

3 Hour Trend

0.00 inHg

Today's Rain

0.00 in

Current Rain Rate

0.00 in/hr

Last Hour of Rain

0.00 in

Apparent Temp

61.8°F

Wind Chill

60.8°F

Heat Index

60.2°F

Est. Cumulus Base

1909 feet

Today's Highs / Lows

Temperature
Climate Normals

High: 70.8℉ ; Low: 45.9℉

High Temperature

Low Temperature

60.9°F at 12:00 AM

60.8°F at 12:05 AM

High Humidity

Low Humidity

76% at 12:02 AM

75% at 12:00 AM

High Dewpoint

Low Dewpoint

53.3°F at 12:02 AM

52.9°F at 12:00 AM

High Barometer

Low Barometer

30.07 inHg at 12:06 AM

30.06 inHg at 12:00 AM

High Wind Gust

2 mph from 90° at 12:04 AM

High Rain Rate

0.00 in/hr at 12:00 AM

Low Wind Chill

60.8°F at 12:05 AM

High Heat Index

60.3°F at 12:02 AM

Yesterday's Statistics

High Temperature

Low Temperature

78.7°F at 01:42 PM

58.7°F at 06:00 AM

High Humidity

Low Humidity

84% at 05:55 AM

38% at 11:49 AM

High Dewpoint

Low Dewpoint

55.2°F at 09:05 PM

47.2°F at 09:14 AM

High Barometer

Low Barometer

30.22 inHg at 09:26 AM

30.04 inHg at 07:12 PM

High Wind Gust

15 mph from 96° at 03:18 PM

Rain

0.00 in

High Rain Rate

0.00 in/hr at 12:00 AM

Low Wind Chill

58.7°F at 06:00 AM

High Heat Index

78.1°F at 01:42 PM

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*Regional Observations*




USA Extremes: Sunday, May 17, 2026
(Lower 48)

High Temperature
102°F at Canadian, TX
102°F at Castroville Muni Tx, TX

Low Temperature
14°F at Stanley Ranger Station, ID

High Precipatation
2.53in at Miami Opa Locka Ap, FL

Data courtesy of NWS-CPC



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Atmospheric CO2
Tonight

Tonight: Mostly Clear
Mostly Clear
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Tuesday
Night
Tuesday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Wednesday

Wednesday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Chance Rain Showers then Partly Cloudy
Chance Rain Showers then Partly Cloudy
Lo 64 °F Hi 95 °F Lo 72 °F Hi 90 °F Lo 52 °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 civil twilight: 04:46:27 AM
Sunrise: 05:18:53 AM
Transit: 12:41:49 PM
Sunset: 08:05:21 PM
End civil twilight: 08:37:54 PM
Azimuth: 351.6°
Altitude: -27.2°
Right ascension: 56.0°
Declination: 19.8°
Solstice: 06/21/2026 04:24:30 AM
Equinox: 09/22/2026 08:05:13 PM
Moon
Rise: 07:29:49 AM
Transit: 03:45:33 PM
Set: 11:53:17 PM
Azimuth: 321.9°
Altitude: -9.8°
Right ascension: 91.1°
Declination: 27.1°
Full moon: 05/31/2026 04:45:12 AM
New moon: 06/14/2026 10:54:10 PM
Phase: Waxing crescent
(8% full)


Today's Total Daylight:  14 hours, 46 minutes, 27 seconds
1 minute, 55 seconds More than Yesterday

Lowell's Daily Climatology



Detailed Historical Data