Extreme Heat Warning EXTREME HEAT WARNING - Middlesex County

Observed at
Lowell, Massachusetts
06-30-2026 12:50 PM

Temperature

91.0°F

Hour Change

1.8°F

Wet Bulb Temp

73.0°F

Humidity

40%

Hour Change

-6%

Dewpoint

63.3°F

Hour Change

-2.4°F

Wind

3 mph from 202° (SSW)

Wind Gust

8 mph

Barometer

30.03 inHg

3 Hour Trend

-0.03 inHg

Today's Rain

0.00 in

Current Rain Rate

0.00 in/hr

Last Hour of Rain

0.00 in

Apparent Temp

93.9°F

Wind Chill

91.0°F

Heat Index

92.2°F

Est. Cumulus Base

6478 feet

Today's Highs / Lows

Temperature
Climate Normals

High: 83.3℉ ; Low: 59.3℉

High Temperature

Low Temperature

91.1°F at 12:45 PM

60.4°F at 05:35 AM

High Humidity

Low Humidity

91% at 06:33 AM

40% at 12:49 PM

High Dewpoint

Low Dewpoint

69.7°F at 11:13 AM

56.8°F at 05:35 AM

High Barometer

Low Barometer

30.11 inHg at 02:16 AM

30.03 inHg at 12:49 PM

High Wind Gust

11 mph from 165° at 12:23 PM

High Rain Rate

0.00 in/hr at 12:00 AM

Low Wind Chill

60.4°F at 05:35 AM

High Heat Index

94.2°F at 12:44 PM

Yesterday's Statistics

High Temperature

Low Temperature

88.2°F at 02:58 PM

63.3°F at 05:42 AM

High Humidity

Low Humidity

93% at 05:53 AM

39% at 02:28 PM

High Dewpoint

Low Dewpoint

65.9°F at 10:24 AM

57.7°F at 11:41 PM

High Barometer

Low Barometer

30.12 inHg at 09:54 PM

29.98 inHg at 12:49 AM

High Wind Gust

10 mph from 311° at 12:39 PM

Rain

0.00 in

High Rain Rate

0.00 in/hr at 12:00 AM

Low Wind Chill

63.3°F at 05:42 AM

High Heat Index

90.2°F at 03:01 PM

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*Regional Observations*




USA Extremes: Monday, June 29, 2026
(Lower 48)

High Temperature
105°F at Dumas Moore County Ap, TX
105°F at Guymon Municipal Ap, OK

Low Temperature
27°F at Ely Airport, NV

High Precipatation
2.86in at Galesburg Municipal Ap, IL

Data courtesy of NWS-CPC



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Atmospheric CO2
Today

Today: Mostly Sunny
Mostly Sunny
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday

Wednesday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Thursday

Thursday: Slight Chance Showers And Thunderstorms then Sunny
Slight Chance Showers And T-Storms then Sunny
Hi 91 °F Lo 70 °F Hi 96 °F Lo 76 °F Hi 99 °F

NEXRAD Radar KBOX status: Start-Up - Data not recent [last data 3:04:59 h:m:s ago]
as of Jun/30/2026 1:00pm

Message date: Jun/30/2026 9:39am
KBOX WSR-88D Radar will be down for schedule maintenance until 1900 hours today 30 June 2026. Technicians will be working on it.

NWS WSR-88D NEXRADView



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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: 02:55:55 AM
Start civil twilight: 04:36:03 AM
Sunrise: 05:10:45 AM
Transit: 12:49:05 PM
Sunset: 08:27:13 PM
End civil twilight: 09:01:52 PM
End astro twilight: 10:41:43 PM
Azimuth: 180.6°
Altitude: 70.5°
Right ascension: 99.7°
Declination: 23.1°
Equinox: 09/22/2026 08:05:13 PM
Solstice: 12/21/2026 03:50:14 PM
Moon
Rise: 09:23:54 PM
Transit: 01:00:26 AM
Set: 05:19:02 AM
Azimuth: 334.4°
Altitude: -72.2°
Right ascension: 288.4°
Declination: -26.2°
New moon: 07/14/2026 05:43:36 AM
Full moon: 07/29/2026 10:35:43 AM
Phase: Full
(99% full)


Today's Total Daylight:  15 hours, 16 minutes, 28 seconds
0 minutes, 35 seconds Less than Yesterday

Lowell's Daily Climatology



Detailed Historical Data