Live Weather & Forecast
Weather in Harwinton
Connecticut, United States · Real-time conditions & 3-day outlook
6°C
Feels like 3°C
43°F / Feels 38°F
Partly cloudy
Harwinton, Connecticut
🌙 Nighttime
Updated: 2026-04-13 01:15
Humidity
86%
Wind
15.1 km/h SSW
Wind Gust
22 km/h
Pressure
1026 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
2.7°C
Wind Degree
192°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
163.9 μg/m³
NO₂
7.7 μg/m³
O₃
88 μg/m³
SO₂
4.3 μg/m³
PM 2.5
7 μg/m³
PM 10
7.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Harwinton, Connecticut
12 AM
6°
Clear
1 AM
6°
Partly cloudy
2 AM
6°
Clear
3 AM
6°
Clear
4 AM
6°
Clear
5 AM
6°
Partly Cloudy
6 AM
8°
Partly Cloudy
7 AM
9°
Cloudy
8 AM
11°
Cloudy
9 AM
12°
Patchy rain nearby
10 AM
14°
Partly Cloudy
11 AM
16°
Sunny
12 PM
19°
Sunny
1 PM
19°
Patchy rain nearby
2 PM
19°
Cloudy
3 PM
19°
Overcast
4 PM
20°
Sunny
5 PM
21°
Partly Cloudy
6 PM
21°
Partly Cloudy
7 PM
21°
Partly Cloudy
8 PM
20°
Cloudy
9 PM
19°
Partly Cloudy
10 PM
18°
Clear
11 PM
17°
Clear
3-Day Forecast
Daily overview for Harwinton, Connecticut
Today
Partly Cloudy
22°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 26.6 km/h
🌧️ Total precip: 0.02 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:32 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
26°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 20.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:14 AM
🌇 Sunset: 07:33 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Patchy rain nearby
30°
/
15°
🌧️ 85% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 19.1 km/h
🌧️ Total precip: 3.21 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Harwinton
Plan your trip to Harwinton, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Harwinton?
Current conditions in Harwinton: Partly cloudy, temperature 6°C, humidity 86%.
What is the best time to visit Harwinton?
The best time to visit Harwinton is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Harwinton?
Harwinton is located at approximately 41.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Harwinton?
The wettest period in Harwinton is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Harwinton?
For visits to Harwinton during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Harwinton in?
Harwinton is located in United States, in the state of Connecticut.
What are the public holidays in Harwinton in 2026?
View the 2026 public holidays for Harwinton on our Holidays page.
What are the GPS coordinates used for the weather forecast in Harwinton?
The weather forecast for Harwinton uses coordinates 41.7712, -73.0598.