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
| 02 September 2025 Tuesday 17.2 ° C / 63°F  Clear |
Feels Like : 17.2 ° C / 63°F Humidity : % 93 Pressure : 1024 mb Wind Speed : 4.3 kmph / 2.7 miles from ENE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 | |
|---|---|
| 01 September 2025 Monday | |
| Weather forecast |  Partly Cloudy |
| Low temperature | 10.4 ° C (50.7°F) |
| High temperature | 23.6 ° C (74.5°F) |
| Avg. temperature | 18.1 ° C (64.5°F) |
| Humidity | % 68 |
| Chance of rain | 0% |
| UV Index | 1.2 |
| Sun Position | Sunrise:06:18 AM Sunset: 07:26 PM |
| Moon Position | Moonrise:03:52 PM Moonset: No moonset Moon Phase ( Waxing Gibbous ) |
| 02 September 2025 Tuesday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 9.5 ° C (49.1°F) |
| High temperature | 23.6 ° C (74.5°F) |
| Avg. temperature | 17 ° C (62.6°F) |
| Humidity | % 74 |
| Chance of rain | 0% |
| UV Index | 1.7 |
| Sun Position | Sunrise:06:19 AM Sunset: 07:24 PM |
| Moon Position | Moonrise:04:42 PM Moonset: 12:14 AM Moon Phase ( Waxing Gibbous ) |
| 03 September 2025 Wednesday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 11.5 ° C (52.7°F) |
| High temperature | 25.4 ° C (77.7°F) |
| Avg. temperature | 16.9 ° C (62.5°F) |
| Humidity | % 76 |
| Chance of rain | 0% |
| UV Index | 1.3 |
| Sun Position | Sunrise:06:20 AM Sunset: 07:22 PM |
| Moon Position | Moonrise:05:25 PM Moonset: 01:15 AM Moon Phase ( Waxing Gibbous ) |
| 04 September 2025 Thursday | |
| Weather forecast |  Fog |
| Low temperature | 13.1 ° C (55.6°F) |
| High temperature | 25.7 ° C (78.3°F) |
| Avg. temperature | 16.7 ° C (62.1°F) |
| Humidity | % 85 |
| Chance of rain | 0% |
| UV Index | 1.4 |
| Sun Position | Sunrise:06:21 AM Sunset: 07:21 PM |
| Moon Position | Moonrise:06:00 PM Moonset: 02:23 AM Moon Phase ( Waxing Gibbous ) |
| 05 September 2025 Friday | |
| Weather forecast |  Moderate rain |
| Low temperature | 13.6 ° C (56.5°F) |
| High temperature | 24.5 ° C (76.1°F) |
| Avg. temperature | 18.6 ° C (65.4°F) |
| Humidity | % 84 |
| Chance of rain | 81% |
| UV Index | 0 |
| Sun Position | Sunrise:06:22 AM Sunset: 07:19 PM |
| Moon Position | Moonrise:06:29 PM Moonset: 03:36 AM Moon Phase ( Waxing Gibbous ) |
| 06 September 2025 Saturday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 12.5 ° C (54.5°F) |
| High temperature | 29.4 ° C (84.9°F) |
| Avg. temperature | 17.8 ° C (64°F) |
| Humidity | % 62 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:24 AM Sunset: 07:17 PM |
| Moon Position | Moonrise:06:55 PM Moonset: 04:49 AM Moon Phase ( Waxing Gibbous ) |
| 07 September 2025 Sunday | |
| Weather forecast | Sunny |
| Low temperature | 8.7 ° C (47.6°F) |
| High temperature | 22.7 ° C (72.8°F) |
| Avg. temperature | 15.5 ° C (60°F) |
| Humidity | % 52 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:25 AM Sunset: 07:15 PM |
| Moon Position | Moonrise:07:18 PM Moonset: 06:04 AM Moon Phase ( Full Moon ) |
| 08 September 2025 Monday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 9.6 ° C (49.4°F) |
| High temperature | 18.3 ° C (64.9°F) |
| Avg. temperature | 13.6 ° C (56.4°F) |
| Humidity | % 58 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:26 AM Sunset: 07:14 PM |
| Moon Position | Moonrise:07:41 PM Moonset: 07:19 AM Moon Phase ( Waning Gibbous ) |
| 09 September 2025 Tuesday | |
| Weather forecast | Sunny |
| Low temperature | 6.8 ° C (44.2°F) |
| High temperature | 22.5 ° C (72.5°F) |
| Avg. temperature | 14.2 ° C (57.6°F) |
| Humidity | % 52 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:27 AM Sunset: 07:12 PM |
| Moon Position | Moonrise:08:04 PM Moonset: 08:35 AM Moon Phase ( Waning Gibbous ) |
| 10 September 2025 Wednesday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 10.2 ° C (50.3°F) |
| High temperature | 24.8 ° C (76.6°F) |
| Avg. temperature | 17.5 ° C (63.4°F) |
| Humidity | % 56 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:28 AM Sunset: 07:10 PM |
| Moon Position | Moonrise:08:30 PM Moonset: 09:53 AM Moon Phase ( Waning Gibbous ) |
| 11 September 2025 Thursday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 15.3 ° C (59.5°F) |
| High temperature | 25.6 ° C (78°F) |
| Avg. temperature | 19.8 ° C (67.6°F) |
| Humidity | % 66 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:29 AM Sunset: 07:08 PM |
| Moon Position | Moonrise:09:01 PM Moonset: 11:13 AM Moon Phase ( Waning Gibbous ) |
| 12 September 2025 Friday | |
| Weather forecast | Sunny |
| Low temperature | 15.3 ° C (59.6°F) |
| High temperature | 28.5 ° C (83.2°F) |
| Avg. temperature | 21.8 ° C (71.2°F) |
| Humidity | % 66 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:30 AM Sunset: 07:07 PM |
| Moon Position | Moonrise:09:40 PM Moonset: 12:32 PM Moon Phase ( Waning Gibbous ) |
| 13 September 2025 Saturday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 16.8 ° C (62.2°F) |
| High temperature | 29.8 ° C (85.6°F) |
| Avg. temperature | 22 ° C (71.6°F) |
| Humidity | % 67 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:31 AM Sunset: 07:05 PM |
| Moon Position | Moonrise:10:28 PM Moonset: 01:49 PM Moon Phase ( Waning Gibbous ) |
| 14 September 2025 Sunday | |
| Weather forecast | Sunny |
| Low temperature | 13.4 ° C (56.1°F) |
| High temperature | 25.6 ° C (78°F) |
| Avg. temperature | 18.6 ° C (65.5°F) |
| Humidity | % 69 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:32 AM Sunset: 07:03 PM |
| Moon Position | Moonrise:11:27 PM Moonset: 02:58 PM Moon Phase ( Last Quarter ) |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 01 September 2025 Monday | Partly Cloudy |
10.4 ° C (50.7°F) |
23.6 ° C (74.5°F) |
18.1 ° C (64.5°F) |
% 68 | 0% | 1.2 | Sunrise:06:18 AM Sunset: 07:26 PM |
Moonrise:03:52 PM Moonset: No moonset Moon Phase ( Waxing Gibbous ) |
|
| 02 September 2025 Tuesday | Partly Cloudy |
9.5 ° C (49.1°F) |
23.6 ° C (74.5°F) |
17 ° C (62.6°F) |
% 74 | 0% | 1.7 | Sunrise:06:19 AM Sunset: 07:24 PM |
Moonrise:04:42 PM Moonset: 12:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 September 2025 Wednesday | Partly Cloudy |
11.5 ° C (52.7°F) |
25.4 ° C (77.7°F) |
16.9 ° C (62.5°F) |
% 76 | 0% | 1.3 | Sunrise:06:20 AM Sunset: 07:22 PM |
Moonrise:05:25 PM Moonset: 01:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 04 September 2025 Thursday | Fog |
13.1 ° C (55.6°F) |
25.7 ° C (78.3°F) |
16.7 ° C (62.1°F) |
% 85 | 0% | 1.4 | Sunrise:06:21 AM Sunset: 07:21 PM |
Moonrise:06:00 PM Moonset: 02:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 05 September 2025 Friday | Moderate rain |
13.6 ° C (56.5°F) |
24.5 ° C (76.1°F) |
18.6 ° C (65.4°F) |
% 84 | 81% | 0 | Sunrise:06:22 AM Sunset: 07:19 PM |
Moonrise:06:29 PM Moonset: 03:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 06 September 2025 Saturday | Partly Cloudy |
12.5 ° C (54.5°F) |
29.4 ° C (84.9°F) |
17.8 ° C (64°F) |
% 62 | 0% | 5 | Sunrise:06:24 AM Sunset: 07:17 PM |
Moonrise:06:55 PM Moonset: 04:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 07 September 2025 Sunday | Sunny |
8.7 ° C (47.6°F) |
22.7 ° C (72.8°F) |
15.5 ° C (60°F) |
% 52 | 0% | 5 | Sunrise:06:25 AM Sunset: 07:15 PM |
Moonrise:07:18 PM Moonset: 06:04 AM Moon Phase ( Full Moon ) |
|
| 08 September 2025 Monday | Partly Cloudy |
9.6 ° C (49.4°F) |
18.3 ° C (64.9°F) |
13.6 ° C (56.4°F) |
% 58 | 0% | 4 | Sunrise:06:26 AM Sunset: 07:14 PM |
Moonrise:07:41 PM Moonset: 07:19 AM Moon Phase ( Waning Gibbous ) |
|
| 09 September 2025 Tuesday | Sunny |
6.8 ° C (44.2°F) |
22.5 ° C (72.5°F) |
14.2 ° C (57.6°F) |
% 52 | 0% | 4 | Sunrise:06:27 AM Sunset: 07:12 PM |
Moonrise:08:04 PM Moonset: 08:35 AM Moon Phase ( Waning Gibbous ) |
|
| 10 September 2025 Wednesday | Partly Cloudy |
10.2 ° C (50.3°F) |
24.8 ° C (76.6°F) |
17.5 ° C (63.4°F) |
% 56 | 0% | 5 | Sunrise:06:28 AM Sunset: 07:10 PM |
Moonrise:08:30 PM Moonset: 09:53 AM Moon Phase ( Waning Gibbous ) |
|
| 11 September 2025 Thursday | Partly Cloudy |
15.3 ° C (59.5°F) |
25.6 ° C (78°F) |
19.8 ° C (67.6°F) |
% 66 | 0% | 5 | Sunrise:06:29 AM Sunset: 07:08 PM |
Moonrise:09:01 PM Moonset: 11:13 AM Moon Phase ( Waning Gibbous ) |
|
| 12 September 2025 Friday | Sunny |
15.3 ° C (59.6°F) |
28.5 ° C (83.2°F) |
21.8 ° C (71.2°F) |
% 66 | 0% | 6 | Sunrise:06:30 AM Sunset: 07:07 PM |
Moonrise:09:40 PM Moonset: 12:32 PM Moon Phase ( Waning Gibbous ) |
|
| 13 September 2025 Saturday | Partly Cloudy |
16.8 ° C (62.2°F) |
29.8 ° C (85.6°F) |
22 ° C (71.6°F) |
% 67 | 0% | 6 | Sunrise:06:31 AM Sunset: 07:05 PM |
Moonrise:10:28 PM Moonset: 01:49 PM Moon Phase ( Waning Gibbous ) |
|
| 14 September 2025 Sunday | Sunny |
13.4 ° C (56.1°F) |
25.6 ° C (78°F) |
18.6 ° C (65.5°F) |
% 69 | 0% | 5 | Sunrise:06:32 AM Sunset: 07:03 PM |
Moonrise:11:27 PM Moonset: 02:58 PM Moon Phase ( Last Quarter ) |
|
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