Harwinton, CT Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Harwinton, CT in one place.
Sunny, with a high near 79. Northwest wind around 2 mph.
Local Weather Overview
This forecast page for Harwinton, CT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 23, 2026 11:36 AM EDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for Harwinton, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 23, 2026 11:36 AM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Harwinton
Monday looks like the warmest upcoming period in Harwinton at 83 degrees F.
Friday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 8 mph E.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 11:36 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- ALY
- Radar station
- KOKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy fog between 3am and 5am. Partly cloudy, with a low around 54. Southeast wind around 2 mph.
Sunny, with a high near 82. East wind 0 to 3 mph.
Partly cloudy, with a low around 58.
Sunny, with a high near 82.
Partly cloudy, with a low around 60.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
A chance of rain showers before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Sunny
|
79°F |
2 mph
NW
|
|
Friday Night
Jul 24
|
Partly Cloudy then Patchy Fog
|
54°F |
2 mph
SE
|
|
Saturday
Jul 25
|
Sunny
|
82°F |
0 to 3 mph
E
|
|
Saturday Night
Jul 25
|
Partly Cloudy
|
58°F |
0 to 3 mph
SE
|
|
Sunday
Jul 26
|
Sunny
|
82°F |
0 to 3 mph
SE
|
|
Sunday Night
Jul 26
|
Partly Cloudy
|
60°F |
3 mph
S
|
|
Monday
Jul 27
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
83°F |
1 to 5 mph
S
|
|
Monday Night
Jul 27
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
63°F |
5 mph
S
|
|
Tuesday
Jul 28
|
Showers And Thunderstorms Likely
|
82°F |
3 to 7 mph
S
|
|
Tuesday Night
Jul 28
|
Showers And Thunderstorms Likely
|
62°F |
6 mph
SE
|
|
Wednesday
Jul 29
|
Chance Rain Showers
|
78°F |
5 to 8 mph
E
|
|
Wednesday Night
Jul 29
|
Chance Showers And Thunderstorms
|
61°F |
6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harwinton.
