Nikiski Weather Forecast 15 Days, Weather in Nikiski Today
Current weather conditions and 15 day weather forecast for Nikiski, 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 Nikiski
| 17 September 2026 Thursday 8.7 ° C / 47.7°F  Sunny |
Feels Like : 6.2 ° C / 43.2°F Humidity : % 83 Pressure : 1018 mb Wind Speed : 15.8 kmph / 9.8 miles from SSE  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 10 |
15 day weather forecast for Nikiski, AK, USA
Weather Forecast for next 15 Days for Nikiski 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 Nikiski, 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 | Sunny |
8.7 ° C (47.7°F) |
11.6 ° C (52.9°F) |
10.4 ° C (50.7°F) |
% 78 | 20% | 1.8 | Sunrise:07:37 AM Sunset: 08:21 PM |
Moonrise:06:26 PM Moonset: 08:51 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday |  Light rain shower |
8.6 ° C (47.5°F) |
10.5 ° C (50.9°F) |
9.1 ° C (48.4°F) |
% 89 | 91% | 0.3 | Sunrise:07:40 AM Sunset: 08:18 PM |
Moonrise:07:11 PM Moonset: 09:58 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday |  Patchy rain nearby |
7.8 ° C (46.1°F) |
10.1 ° C (50.2°F) |
8.9 ° C (48°F) |
% 81 | 75% | 0.8 | Sunrise:07:42 AM Sunset: 08:15 PM |
Moonrise:07:25 PM Moonset: 11:29 PM Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Light rain shower |
7.3 ° C (45.2°F) |
9.3 ° C (48.8°F) |
8.2 ° C (46.7°F) |
% 84 | 85% | 0.5 | Sunrise:07:44 AM Sunset: 08:12 PM |
Moonrise:07:29 PM Moonset: Does not set today Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Patchy rain nearby |
6 ° C (42.9°F) |
8 ° C (46.4°F) |
7.3 ° C (45.1°F) |
% 74 | 79% | 2 | Sunrise:07:47 AM Sunset: 08:09 PM |
Moonrise:07:29 PM Moonset: 01:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday |  Overcast |
6.3 ° C (43.4°F) |
9.4 ° C (49°F) |
7.7 ° C (45.9°F) |
% 69 | 18% | 2 | Sunrise:07:49 AM Sunset: 08:06 PM |
Moonrise:07:29 PM Moonset: 02:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
7.1 ° C (44.7°F) |
8.5 ° C (47.3°F) |
7.7 ° C (45.8°F) |
% 69 | 12% | 3 | Sunrise:07:52 AM Sunset: 08:02 PM |
Moonrise:07:27 PM Moonset: 04:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Overcast |
5.9 ° C (42.6°F) |
9 ° C (48.2°F) |
7.6 ° C (45.7°F) |
% 62 | 12% | 3 | Sunrise:07:54 AM Sunset: 07:59 PM |
Moonrise:07:26 PM Moonset: 05:33 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
2.8 ° C (37.1°F) |
6.4 ° C (43.5°F) |
4.7 ° C (40.4°F) |
% 48 | 2% | 3 | Sunrise:07:56 AM Sunset: 07:56 PM |
Moonrise:07:24 PM Moonset: 06:58 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Sunny |
2.1 ° C (35.8°F) |
4.6 ° C (40.2°F) |
3.6 ° C (38.6°F) |
% 51 | 5% | 2 | Sunrise:07:59 AM Sunset: 07:53 PM |
Moonrise:07:22 PM Moonset: 08:24 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday |  Moderate or heavy snow showers |
2.2 ° C (35.9°F) |
4.2 ° C (39.6°F) |
3.3 ° C (38°F) |
% 79 | 80% | 1 | Sunrise:08:01 AM Sunset: 07:50 PM |
Moonrise:07:21 PM Moonset: 09:53 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Light rain shower |
4.1 ° C (39.4°F) |
5.5 ° C (41.9°F) |
4.7 ° C (40.5°F) |
% 93 | 93% | 2 | Sunrise:08:04 AM Sunset: 07:47 PM |
Moonrise:07:21 PM Moonset: 11:27 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Light rain shower |
5.6 ° C (42.1°F) |
7.5 ° C (45.5°F) |
6.3 ° C (43.4°F) |
% 91 | 92% | 2 | Sunrise:08:06 AM Sunset: 07:44 PM |
Moonrise:07:22 PM Moonset: 01:07 PM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Patchy rain nearby |
6.5 ° C (43.7°F) |
8.4 ° C (47.1°F) |
7.4 ° C (45.3°F) |
% 85 | 62% | 2 | Sunrise:08:09 AM Sunset: 07:41 PM |
Moonrise:07:27 PM Moonset: 02:53 PM Moon Phase ( Waning Gibbous ) |
|
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