Weather forecast for 10 daysHarwinton, CT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 57°F
- 34°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphNNE 26°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:08 am EDT
- Sunset: 6:06 pm EDT
- details ▼
On Sunday, in Harwinton, the forecast calls for abundant sunshine.
Predicted temperatures will peak at a mild 57.2°F and dip to a minimum of a cold 33.8°F.
Tomorrow, the forecasted high will correspond with the regular October temperature of 59.4°F.
Sunrise will be at 7:08 am and sunset at 6:06 pm; tomorrow's daylight will last for 10h and 58min.
Predicted temperatures will peak at a mild 57.2°F and dip to a minimum of a cold 33.8°F.
Tomorrow, the forecasted high will correspond with the regular October temperature of 59.4°F.
Sunrise will be at 7:08 am and sunset at 6:06 pm; tomorrow's daylight will last for 10h and 58min.
10-day overview
Daily temperatures
Warmest day: Monday 26.10. 66°C.
Coldest day: Saturday 24.10. 55°C.
Coldest day: Saturday 24.10. 55°C.
Chance of precipitation
Highest chance: Monday 26.10. 18%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 30°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphNNW 342°
- Humidity: 73%
- UV index: 0
- Sunrise: 7:07 am EDT
- Sunset: 6:08 pm EDT
- details ▼
- Sunday
- Oct 18, 2026
- 57°F
- 34°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphNNE 26°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:08 am EDT
- Sunset: 6:06 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 45°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphNNE 31°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:09 am EDT
- Sunset: 6:05 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 41°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 13mphNNE 22°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:10 am EDT
- Sunset: 6:03 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 57°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 12mphNNE 32°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:11 am EDT
- Sunset: 6:02 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 39°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 10mphN 1°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:12 am EDT
- Sunset: 6:00 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 57°F
- 32°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 10mphN 11°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:13 am EDT
- Sunset: 5:59 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 55°F
- 34°F
Sunny
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 7mphNNE 25°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:15 am EDT
- Sunset: 5:57 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 39°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 7mphNNW 334°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:16 am EDT
- Sunset: 5:56 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 45°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 9mphNNW 330°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:17 am EDT
- Sunset: 5:54 pm EDT
- details ▼
Weather models show that a combination of sun-filled and cloudy weather is expected.
Rainfall is not forecasted in Harwinton in the upcoming period.
In the coming days, the maximum temperature will range between 55.4°F and 66.2°F, while the variation in nighttime lows will be notably wide, as nighttime lows are forecast to fall between 30.2°F and 44.6°F.
Next Monday will be the warmest day, with a maximum temperature of 66.2°F; with the highest temperature of 55.4°F, next Saturday will be the coldest day.
Rainfall is not forecasted in Harwinton in the upcoming period.
In the coming days, the maximum temperature will range between 55.4°F and 66.2°F, while the variation in nighttime lows will be notably wide, as nighttime lows are forecast to fall between 30.2°F and 44.6°F.
Next Monday will be the warmest day, with a maximum temperature of 66.2°F; with the highest temperature of 55.4°F, next Saturday will be the coldest day.
Updated: Oct 18, 2026 @ 03:30:52 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, in Harwinton, expect sunny weather with a crisp, clear sky.
Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 33.8°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be notably lower than the average low of 44.6°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be notably lower than the average low of 44.6°F.
On Sunday, in Harwinton, sunrise will be at 7:08 am and sunset at 6:06 pm (EDT).
Tomorrow, the daylight will last for 10h and 58min.





