Harwinton, Connecticut 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 65°F 18°C	Observed at: Harwinton, CT	Elevation: 881 ft | 269 m
	Last Updated: July 27, 12:15 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 65°F | 18°C
	Pressure: 29.02 in | 982.6 mb	Dewpoint: 54°F | 12°C
	Humidity: 67%	Wind: ESE 4 mph | ESE 6 kph
	Feels Like: 65°F | 18°C	Visibility: 50.2 mi | 80.7 km
	Lat/Long: 41.7523 | -73.0592	Sunrise: 5:41 AM   Sunset: 8:15 PM

7 Day Graphical Forecast

Valid: 2:18 PM 7/28/2026

Tonight Overcast 60 °F 17% Chance Precipitation Tuesday Heavy Showers 74 |65 °F 70% Chance Precipitation Wednesday Showers 67 |63 °F 83% Chance Precipitation Thursday Showers 66 |61 °F 78% Chance Precipitation Friday Showers 73 |62 °F 15% Chance Precipitation Saturday Light Drizzle 80 |60 °F 9% Chance Precipitation Sunday Rain 70 |63 °F 47% Chance Precipitation

7 Hour Graphical Forecast

Valid: 2:18 PM 7/28/2026

2 PM Overcast 74 °F 70% Chance Precipitation

3 PM Overcast 74 °F 59% Chance Precipitation

4 PM Overcast 72 °F 59% Chance Precipitation

5 PM Overcast 72 °F 59% Chance Precipitation

6 PM Light Showers 70 °F 59% Chance Precipitation

7 PM Rain 69 °F 59% Chance Precipitation

8 PM Overcast 67 °F 59% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Harwinton, CT - (Fahrenheit & Celsius) Valid: 2:18 PM 7/28/2026 Tonight Overcast with a low around 60°F [16°C]. SSE wind to around 8 mph [14 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 17% with QPF of 0.00 in [0.0 mm]. Tuesday Heavy Showers with a high near 74°F [23°C]. SSE wind to around 12 mph [20 kph], with gusts to near 26 mph [42 kph]. Dewpoint near 54°F [12°C] with humidity of 99%. Pressure around 29.02 in [982.6 mb]. UV Index: 7.5. Chance of precipitation 70% with QPF of 2.03 in [51.6 mm]. Tuesday Night Heavy Showers with a low around 65°F [18°C]. SSE wind to around 12 mph [20 kph], with gusts to near 26 mph [42 kph]. Chance of precipitation 70% with QPF of 2.03 in [51.6 mm]. Wednesday Showers with a high near 67°F [20°C]. NE wind to around 8 mph [13 kph], with gusts to near 20 mph [33 kph]. Dewpoint near 54°F [12°C] with humidity of 100%. Pressure around 29.02 in [982.6 mb]. UV Index: 1.4. Chance of precipitation 83% with QPF of 0.75 in [19.1 mm]. Wednesday Night Showers with a low around 63°F [17°C]. NE wind to around 8 mph [13 kph], with gusts to near 20 mph [33 kph]. Chance of precipitation 83% with QPF of 0.75 in [19.1 mm]. Thursday Showers with a high near 66°F [19°C]. NNW wind to around 10 mph [15 kph], with gusts to near 20 mph [33 kph]. Dewpoint near 54°F [12°C] with humidity of 99%. Pressure around 29.02 in [982.6 mb]. UV Index: 1.8. Chance of precipitation 78% with QPF of 0.69 in [17.4 mm]. Thursday Night Showers with a low around 61°F [16°C]. NNW wind to around 10 mph [15 kph], with gusts to near 20 mph [33 kph]. Chance of precipitation 78% with QPF of 0.69 in [17.4 mm]. Friday Showers with a high near 73°F [23°C]. NNE wind to around 7 mph [11 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 54°F [12°C] with humidity of 99%. Pressure around 29.02 in [982.6 mb]. UV Index: 3.45. Chance of precipitation 15% with QPF of 0.37 in [9.4 mm]. Friday Night Showers with a low around 62°F [17°C]. NNE wind to around 7 mph [11 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 15% with QPF of 0.37 in [9.4 mm]. Saturday Light Drizzle with a high near 80°F [26°C]. SSW wind to around 7 mph [11 kph], with gusts to near 17 mph [28 kph]. Dewpoint near 54°F [12°C] with humidity of 98%. Pressure around 29.02 in [982.6 mb]. UV Index: 5.45. Chance of precipitation 9% with QPF of 0.07 in [1.8 mm]. Saturday Night Light Drizzle with a low around 60°F [15°C]. SSW wind to around 7 mph [11 kph], with gusts to near 17 mph [28 kph]. Chance of precipitation 9% with QPF of 0.07 in [1.8 mm]. Sunday Rain with a high near 70°F [21°C]. SSW wind to around 9 mph [14 kph], with gusts to near 21 mph [33 kph]. Dewpoint near 54°F [12°C] with humidity of 99%. Pressure around 29.02 in [982.6 mb]. UV Index: 2. Chance of precipitation 47% with QPF of 0.65 in [16.5 mm]. Sunday Night Rain with a low around 63°F [17°C]. SSW wind to around 9 mph [14 kph], with gusts to near 21 mph [33 kph]. Chance of precipitation 47% with QPF of 0.65 in [16.5 mm].

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7 Day and Night - QPF Forecast for Harwinton, CT

Tonight: 0.0 mm | 0.00 in

Tuesday: 51.6 mm | 2.03 in

Tuesday Night: 51.6 mm | 2.03 in

Wednesday: 19.1 mm | 0.75 in

Wednesday Night: 19.1 mm | 0.75 in

Thursday: 17.4 mm | 0.69 in

Thursday Night: 17.4 mm | 0.69 in

Friday: 9.4 mm | 0.37 in

Friday Night: 9.4 mm | 0.37 in

Saturday: 1.8 mm | 0.07 in

Saturday Night: 1.8 mm | 0.07 in

Sunday: 16.5 mm | 0.65 in

Sunday Night: 16.5 mm | 0.65 in

7 Day and Night - Maximum Wind Speed Forecast for Harwinton, CT

Tonight: SSE @ 14 kph | 8 mph

Tuesday: SSE @ 20 kph | 12 mph

Tuesday Night: SSE @ 20 kph | 12 mph

Wednesday: NE @ 13 kph | 8 mph

Wednesday Night: NE @ 13 kph | 8 mph

Thursday: NNW @ 15 kph | 10 mph

Thursday Night: NNW @ 15 kph | 10 mph

Friday: NNE @ 11 kph | 7 mph

Friday Night: NNE @ 11 kph | 7 mph

Saturday: SSW @ 11 kph | 7 mph

Saturday Night: SSW @ 11 kph | 7 mph

Sunday: SSW @ 14 kph | 9 mph

Sunday Night: SSW @ 14 kph | 9 mph

7 Day and Night - Maximum Humidity Forecast for Harwinton, CT

Tonight: 88 %

Tuesday: 99 %

Tuesday Night: 99 %

Wednesday: 100 %

Wednesday Night: 100 %

Thursday: 99 %

Thursday Night: 99 %

Friday: 99 %

Friday Night: 99 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 99 %

Sunday Night: 99 %

7 Day and Night - Snowfall Totals Forecast for Harwinton, CT

Tonight: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

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