Flat Weather Forecast 15 Days, Weather in Flat Today
Current weather conditions and 15 day weather forecast for Flat, Alaska, 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 Flat
| 17 September 2026 Thursday 4.8 ° C / 40.6°F  Overcast |
Feels Like : 3.8 ° C / 38.8°F Humidity : % 93 Pressure : 1015 mb Wind Speed : 5 kmph / 3.1 miles from ESE  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Flat, AK, USA
Weather Forecast for next 15 Days for Flat 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 Flat, Alaska 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday | Overcast |
4.6 ° C (40.3°F) |
8 ° C (46.3°F) |
5.9 ° C (42.7°F) |
% 87 | 72% | 0.7 | Sunrise:08:02 AM Sunset: 08:50 PM |
Moonrise:Does not rise today Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday |  Patchy rain nearby |
3.6 ° C (38.5°F) |
5.3 ° C (41.5°F) |
4.2 ° C (39.6°F) |
% 92 | 87% | 0.2 | Sunrise:08:05 AM Sunset: 08:46 PM |
Moonrise:Does not rise today Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday |  Mist |
2.5 ° C (36.6°F) |
6.2 ° C (43.1°F) |
4.3 ° C (39.7°F) |
% 88 | 77% | 0.6 | Sunrise:08:08 AM Sunset: 08:43 PM |
Moonrise:08:29 PM Moonset: 11:21 PM Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday |  Moderate or heavy snow showers |
-1.1 ° C (30.1°F) |
6.2 ° C (43.1°F) |
1.1 ° C (33.9°F) |
% 96 | 90% | 0.5 | Sunrise:08:10 AM Sunset: 08:40 PM |
Moonrise:08:18 PM Moonset: Does not set today Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday |  Partly Cloudy |
-3 ° C (26.7°F) |
2.2 ° C (36°F) |
0.1 ° C (32.2°F) |
% 84 | 39% | 2 | Sunrise:08:13 AM Sunset: 08:36 PM |
Moonrise:08:11 PM Moonset: 01:12 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday |  Cloudy |
-0.1 ° C (31.8°F) |
4.3 ° C (39.7°F) |
2.4 ° C (36.4°F) |
% 79 | 17% | 2 | Sunrise:08:16 AM Sunset: 08:33 PM |
Moonrise:08:05 PM Moonset: 02:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday |  Sunny |
-1.1 ° C (30°F) |
3.1 ° C (37.6°F) |
1.5 ° C (34.7°F) |
% 78 | 14% | 2 | Sunrise:08:18 AM Sunset: 08:30 PM |
Moonrise:08:00 PM Moonset: 04:27 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Moderate or heavy snow showers |
-1.5 ° C (29.2°F) |
0.8 ° C (33.4°F) |
-0.5 ° C (31.2°F) |
% 81 | 74% | 2 | Sunrise:08:21 AM Sunset: 08:26 PM |
Moonrise:07:55 PM Moonset: 05:57 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
-3.8 ° C (25.1°F) |
1.4 ° C (34.5°F) |
-0.7 ° C (30.7°F) |
% 63 | 5% | 2 | Sunrise:08:23 AM Sunset: 08:23 PM |
Moonrise:07:50 PM Moonset: 07:26 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
-1.6 ° C (29.2°F) |
4.7 ° C (40.5°F) |
1.7 ° C (35.1°F) |
% 60 | 10% | 2 | Sunrise:08:26 AM Sunset: 08:20 PM |
Moonrise:07:45 PM Moonset: 08:55 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
0.2 ° C (32.4°F) |
2.5 ° C (36.5°F) |
1.6 ° C (35°F) |
% 76 | 22% | 1 | Sunrise:08:29 AM Sunset: 08:16 PM |
Moonrise:07:40 PM Moonset: 10:28 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday |  Fog |
-0.7 ° C (30.7°F) |
0.6 ° C (33.1°F) |
0.1 ° C (32.2°F) |
% 98 | 80% | 1 | Sunrise:08:31 AM Sunset: 08:13 PM |
Moonrise:07:35 PM Moonset: 12:07 PM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Moderate or heavy snow showers |
-2.4 ° C (27.7°F) |
0.2 ° C (32.4°F) |
-1.5 ° C (29.3°F) |
% 97 | 79% | 1 | Sunrise:08:34 AM Sunset: 08:10 PM |
Moonrise:07:30 PM Moonset: 01:54 PM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Fog |
0.6 ° C (33.1°F) |
2.6 ° C (36.8°F) |
1.8 ° C (35.2°F) |
% 94 | 48% | 1 | Sunrise:08:37 AM Sunset: 08:06 PM |
Moonrise:07:23 PM Moonset: 03:53 PM Moon Phase ( Waning Gibbous ) |
|
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