Extreme Heat Watch EXTREME HEAT WATCH - Middlesex County

Observed at
Lowell, Massachusetts
06-29-2026 03:50 PM

Temperature

86.3°F

Hour Change

-0.2°F

Wet Bulb Temp

71.9°F

Humidity

48%

Hour Change

8%

Dewpoint

64.3°F

Hour Change

5.0°F

Wind

3 mph from 135° (SE)

Wind Gust

9 mph

Barometer

30.05 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

89.6°F

Wind Chill

86.3°F

Heat Index

87.8°F

Est. Cumulus Base

5186 feet

Today's Highs / Lows

Temperature
Climate Normals

High: 83.1℉ ; Low: 59.0℉

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

58.4°F at 02:39 PM

High Barometer

Low Barometer

30.07 inHg at 11:21 AM

29.98 inHg at 12:49 AM

High Wind Gust

10 mph from 311° at 12:39 PM

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

Yesterday's Statistics

High Temperature

Low Temperature

87.0°F at 02:28 PM

64.4°F at 02:08 AM

High Humidity

Low Humidity

94% at 05:11 AM

42% at 02:28 PM

High Dewpoint

Low Dewpoint

69.3°F at 10:57 AM

60.2°F at 02:09 PM

High Barometer

Low Barometer

30.00 inHg at 08:29 AM

29.94 inHg at 03:43 PM

High Wind Gust

12 mph from 181° at 05:36 PM

Rain

0.00 in

High Rain Rate

0.00 in/hr at 12:00 AM

Low Wind Chill

64.4°F at 02:08 AM

High Heat Index

88.2°F at 03:02 PM

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*Regional Observations*




USA Extremes: Sunday, June 28, 2026
(Lower 48)

High Temperature
108°F at Guymon Municipal Ap, OK

Low Temperature
30°F at Bridgeport Sonora Junction, CA
30°F at Lakeview Lake County Ap, OR

High Precipatation
3.26in at Oak Ridge Asos, TN

Data courtesy of NWS-CPC



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Atmospheric CO2
This
Afternoon
This Afternoon: Sunny
Sunny
Tonight

Tonight: Mostly Clear
Mostly Clear
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Tuesday
Night
Tuesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
Hi 87 °F Lo 62 °F Hi 92 °F Lo 69 °F Hi 99 °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: 02:55:09 AM
Start civil twilight: 04:35:32 AM
Sunrise: 05:10:14 AM
Transit: 12:48:53 PM
Sunset: 08:27:21 PM
End civil twilight: 09:02:01 PM
End astro twilight: 10:42:09 PM
Azimuth: 257.2°
Altitude: 48.0°
Right ascension: 98.8°
Declination: 23.2°
Equinox: 09/22/2026 08:05:13 PM
Solstice: 12/21/2026 03:50:14 PM
Moon
Rise: 08:44:59 PM
Transit: 12:09:14 AM
Set: 04:21:00 AM
Azimuth: 83.9°
Altitude: -49.8°
Right ascension: 277.5°
Declination: -27.8°
Full moon: 06/29/2026 07:56:41 PM
New moon: 07/14/2026 05:43:36 AM
Phase: Full
(100% full)


Today's Total Daylight:  15 hours, 17 minutes, 7 seconds
0 minutes, 31 seconds Less than Yesterday

Lowell's Daily Climatology



Detailed Historical Data