Great River Weather Forecast 15 Days, Weather in Great River Today
Current weather conditions and 15 day weather forecast for Great River, New York, 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 Great River
| 20 September 2026 Sunday 17.5 ° C / 63.4°F  Overcast |
Feels Like : 15.3 ° C / 59.5°F Humidity : % 66 Pressure : 1020 mb Wind Speed : 13.3 kmph / 8.3 miles from SE  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Great River, NY, USA
Weather Forecast for next 15 Days for Great River 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 Great River, New York 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 September 2026 Sunday |  Patchy rain nearby |
17.1 ° C (62.8°F) |
20.3 ° C (68.6°F) |
18.7 ° C (65.6°F) |
% 75 | 79% | 0.7 | Sunrise:06:38 AM Sunset: 06:53 PM |
Moonrise:04:12 PM Moonset: 12:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Overcast |
15.8 ° C (60.4°F) |
20.2 ° C (68.4°F) |
18 ° C (64.4°F) |
% 79 | 52% | 5 | Sunrise:06:39 AM Sunset: 06:52 PM |
Moonrise:04:43 PM Moonset: 01:31 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday |  Light rain shower |
13.4 ° C (56.1°F) |
17.5 ° C (63.6°F) |
15.3 ° C (59.5°F) |
% 80 | 88% | 0.8 | Sunrise:06:40 AM Sunset: 06:50 PM |
Moonrise:05:09 PM Moonset: 02:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Light rain shower |
13.5 ° C (56.4°F) |
16.4 ° C (61.5°F) |
14.9 ° C (58.8°F) |
% 84 | 89% | 1.9 | Sunrise:06:41 AM Sunset: 06:48 PM |
Moonrise:05:31 PM Moonset: 03:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Light rain shower |
13.3 ° C (55.9°F) |
15.8 ° C (60.4°F) |
15 ° C (59°F) |
% 87 | 90% | 4 | Sunrise:06:42 AM Sunset: 06:47 PM |
Moonrise:05:52 PM Moonset: 04:38 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Light rain shower |
12.4 ° C (54.3°F) |
14.4 ° C (57.9°F) |
13 ° C (55.5°F) |
% 89 | 91% | 3 | Sunrise:06:43 AM Sunset: 06:45 PM |
Moonrise:06:11 PM Moonset: 05:39 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
13 ° C (55.4°F) |
16.7 ° C (62.1°F) |
14.6 ° C (58.3°F) |
% 74 | 25% | 5 | Sunrise:06:44 AM Sunset: 06:43 PM |
Moonrise:06:32 PM Moonset: 06:41 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Patchy rain nearby |
13.9 ° C (57°F) |
16.6 ° C (61.8°F) |
15.3 ° C (59.5°F) |
% 75 | 23% | 4 | Sunrise:06:45 AM Sunset: 06:42 PM |
Moonrise:06:54 PM Moonset: 07:45 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
15.3 ° C (59.5°F) |
17.9 ° C (64.3°F) |
16.8 ° C (62.3°F) |
% 75 | 20% | 5 | Sunrise:06:46 AM Sunset: 06:40 PM |
Moonrise:07:18 PM Moonset: 08:51 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Patchy rain nearby |
17.4 ° C (63.3°F) |
19.6 ° C (67.3°F) |
18.7 ° C (65.7°F) |
% 89 | 91% | 4 | Sunrise:06:47 AM Sunset: 06:38 PM |
Moonrise:07:48 PM Moonset: 09:59 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Patchy rain nearby |
17.1 ° C (62.9°F) |
20.4 ° C (68.8°F) |
18.6 ° C (65.5°F) |
% 85 | 68% | 5 | Sunrise:06:48 AM Sunset: 06:36 PM |
Moonrise:08:25 PM Moonset: 11:09 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Overcast |
18.3 ° C (64.9°F) |
21.7 ° C (71.1°F) |
20.1 ° C (68.1°F) |
% 81 | 78% | 5 | Sunrise:06:49 AM Sunset: 06:35 PM |
Moonrise:09:12 PM Moonset: 12:19 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday |  Sunny |
18.1 ° C (64.5°F) |
23.4 ° C (74.2°F) |
20.6 ° C (69.2°F) |
% 65 | 36% | 6 | Sunrise:06:50 AM Sunset: 06:33 PM |
Moonrise:10:09 PM Moonset: 01:24 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Overcast |
15.8 ° C (60.5°F) |
20.4 ° C (68.7°F) |
18 ° C (64.5°F) |
% 52 | 10% | 5 | Sunrise:06:51 AM Sunset: 06:32 PM |
Moonrise:11:17 PM Moonset: 02:21 PM Moon Phase ( Last Quarter ) |
|
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