Northwest Harwinton Weather Forecast 15 Days, Weather in Northwest Harwinton Today
Current weather conditions and 15 day weather forecast for Northwest Harwinton, Connecticut, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Northwest Harwinton
| 10 May 2026 Sunday 14.4 ° C / 57.9°F  Overcast |
Feels Like : 13.2 ° C / 55.8°F Humidity : % 87 Pressure : 1014 mb Wind Speed : 16.2 kmph / 10.1 miles from SW  Visibility : 14 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Northwest Harwinton, CT, USA
Weather Forecast for next 15 Days for Northwest Harwinton including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Northwest Harwinton, Connecticut state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 May 2026 Sunday |  Patchy rain nearby |
9.8 ° C (49.6°F) |
21.4 ° C (70.5°F) |
14.3 ° C (57.7°F) |
% 83 | 87% | 6.6 | Sunrise:05:38 AM Sunset: 08:01 PM |
Moonrise:02:21 AM Moonset: 01:01 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday |  Partly Cloudy |
3.3 ° C (38°F) |
15.2 ° C (59.4°F) |
9.6 ° C (49.2°F) |
% 50 | 0% | 5.6 | Sunrise:05:37 AM Sunset: 08:02 PM |
Moonrise:02:43 AM Moonset: 02:09 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday |  Sunny |
0.3 ° C (32.5°F) |
15.2 ° C (59.4°F) |
8.6 ° C (47.5°F) |
% 54 | 0% | 1 | Sunrise:05:36 AM Sunset: 08:03 PM |
Moonrise:03:05 AM Moonset: 03:19 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Patchy rain nearby |
4.7 ° C (40.5°F) |
15.6 ° C (60.1°F) |
10 ° C (50°F) |
% 68 | 74% | 2 | Sunrise:05:35 AM Sunset: 08:04 PM |
Moonrise:03:27 AM Moonset: 04:31 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday |  Moderate rain |
7.4 ° C (45.3°F) |
17.4 ° C (63.4°F) |
11.8 ° C (53.2°F) |
% 80 | 86% | 3 | Sunrise:05:34 AM Sunset: 08:05 PM |
Moonrise:03:51 AM Moonset: 05:48 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Partly Cloudy |
5.2 ° C (41.3°F) |
16.9 ° C (62.3°F) |
9.4 ° C (49°F) |
% 71 | 0% | 3 | Sunrise:05:33 AM Sunset: 08:06 PM |
Moonrise:04:18 AM Moonset: 07:09 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
9.5 ° C (49°F) |
19.4 ° C (66.9°F) |
14.1 ° C (57.3°F) |
% 76 | 83% | 3 | Sunrise:05:32 AM Sunset: 08:07 PM |
Moonrise:04:52 AM Moonset: 08:31 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
11.8 ° C (53.3°F) |
24.9 ° C (76.9°F) |
16.5 ° C (61.7°F) |
% 86 | 89% | 4 | Sunrise:05:31 AM Sunset: 08:08 PM |
Moonrise:05:36 AM Moonset: 09:51 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
12.1 ° C (53.7°F) |
26.5 ° C (79.6°F) |
17.5 ° C (63.6°F) |
% 87 | 87% | 4 | Sunrise:05:30 AM Sunset: 08:09 PM |
Moonrise:06:32 AM Moonset: 11:01 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Partly Cloudy |
8.1 ° C (46.6°F) |
20.7 ° C (69.2°F) |
13.8 ° C (56.8°F) |
% 70 | 0% | 4 | Sunrise:05:29 AM Sunset: 08:10 PM |
Moonrise:07:41 AM Moonset: 11:57 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Sunny |
8.5 ° C (47.3°F) |
24.7 ° C (76.5°F) |
16.6 ° C (61.9°F) |
% 62 | 0% | 5 | Sunrise:05:28 AM Sunset: 08:11 PM |
Moonrise:08:57 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
12.3 ° C (54.2°F) |
29.8 ° C (85.7°F) |
20.9 ° C (69.6°F) |
% 71 | 82% | 5 | Sunrise:05:27 AM Sunset: 08:12 PM |
Moonrise:10:15 AM Moonset: 12:39 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Patchy rain nearby |
16.9 ° C (62.4°F) |
26.4 ° C (79.6°F) |
21 ° C (69.9°F) |
% 82 | 85% | 5 | Sunrise:05:27 AM Sunset: 08:12 PM |
Moonrise:11:31 AM Moonset: 01:13 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
8.5 ° C (47.2°F) |
22.7 ° C (72.8°F) |
15.3 ° C (59.5°F) |
% 50 | 0% | 5 | Sunrise:05:26 AM Sunset: 08:13 PM |
Moonrise:12:42 PM Moonset: 01:39 AM Moon Phase ( First Quarter ) |
|
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