Newcastle Weather Forecast 15 Days, Weather in Newcastle Today
Current weather conditions and 15 day weather forecast for Newcastle, Washington, 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 Newcastle
| 13 February 2026 Friday 7.8 ° C / 46°F  Overcast |
Feels Like : 6.3 ° C / 43.3°F Humidity : % 79 Pressure : 1022 mb Wind Speed : 8.6 kmph / 5.4 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Newcastle, WA, USA
Weather Forecast for next 15 Days for Newcastle 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 Newcastle, Washington 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 13 February 2026 Friday |  Moderate rain |
4.3 ° C (39.7°F) |
8.5 ° C (47.3°F) |
5.7 ° C (42.3°F) |
% 89 | 89% | 0.1 | Sunrise:07:17 AM Sunset: 05:29 PM |
Moonrise:05:36 AM Moonset: 01:14 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Moderate rain |
3.3 ° C (37.9°F) |
5.8 ° C (42.4°F) |
4.4 ° C (40°F) |
% 85 | 89% | 0.1 | Sunrise:07:15 AM Sunset: 05:31 PM |
Moonrise:06:13 AM Moonset: 02:22 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday |  Cloudy |
0.8 ° C (33.4°F) |
3.6 ° C (38.5°F) |
1.8 ° C (35.3°F) |
% 82 | 0% | 0 | Sunrise:07:14 AM Sunset: 05:33 PM |
Moonrise:06:42 AM Moonset: 03:37 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday |  Patchy rain nearby |
-1 ° C (30.3°F) |
8.8 ° C (47.8°F) |
3.1 ° C (37.6°F) |
% 73 | 65% | 0.1 | Sunrise:07:12 AM Sunset: 05:34 PM |
Moonrise:07:05 AM Moonset: 04:52 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Moderate rain |
1 ° C (33.8°F) |
5.6 ° C (42.1°F) |
2.7 ° C (36.8°F) |
% 97 | 75% | 0 | Sunrise:07:10 AM Sunset: 05:36 PM |
Moonrise:07:24 AM Moonset: 06:08 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Patchy rain nearby |
-0.2 ° C (31.6°F) |
6.9 ° C (44.4°F) |
3.4 ° C (38.1°F) |
% 88 | 70% | 1 | Sunrise:07:08 AM Sunset: 05:37 PM |
Moonrise:07:41 AM Moonset: 07:24 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Patchy rain nearby |
-0.3 ° C (31.5°F) |
6.1 ° C (43°F) |
3 ° C (37.4°F) |
% 83 | 89% | 1 | Sunrise:07:07 AM Sunset: 05:39 PM |
Moonrise:07:57 AM Moonset: 08:41 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Patchy rain nearby |
1.4 ° C (34.5°F) |
4.1 ° C (39.3°F) |
2.7 ° C (36.8°F) |
% 96 | 85% | 1 | Sunrise:07:05 AM Sunset: 05:40 PM |
Moonrise:08:13 AM Moonset: 10:00 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Moderate rain |
2.9 ° C (37.3°F) |
6.8 ° C (44.2°F) |
4.6 ° C (40.3°F) |
% 93 | 86% | 1 | Sunrise:07:03 AM Sunset: 05:42 PM |
Moonrise:08:32 AM Moonset: 11:21 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Patchy rain nearby |
0.2 ° C (32.4°F) |
3.7 ° C (38.6°F) |
2.6 ° C (36.7°F) |
% 95 | 85% | 1 | Sunrise:07:01 AM Sunset: 05:43 PM |
Moonrise:08:54 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 23 February 2026 Monday | Patchy rain nearby |
-2.5 ° C (27.4°F) |
8.3 ° C (47°F) |
2.4 ° C (36.3°F) |
% 80 | 80% | 1 | Sunrise:07:00 AM Sunset: 05:45 PM |
Moonrise:09:23 AM Moonset: 12:44 AM Moon Phase ( Waxing Crescent ) |
|
| 24 February 2026 Tuesday | Patchy rain nearby |
1.3 ° C (34.4°F) |
5.7 ° C (42.2°F) |
3.1 ° C (37.6°F) |
% 87 | 89% | 1 | Sunrise:06:58 AM Sunset: 05:46 PM |
Moonrise:10:02 AM Moonset: 02:06 AM Moon Phase ( First Quarter ) |
|
| 25 February 2026 Wednesday | Moderate rain |
1.6 ° C (34.8°F) |
5 ° C (41°F) |
3.8 ° C (38.8°F) |
% 87 | 89% | 1 | Sunrise:06:56 AM Sunset: 05:48 PM |
Moonrise:10:54 AM Moonset: 03:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 February 2026 Thursday | Moderate rain |
-0.3 ° C (31.5°F) |
1.9 ° C (35.4°F) |
1.2 ° C (34.2°F) |
% 98 | 81% | 1 | Sunrise:06:54 AM Sunset: 05:49 PM |
Moonrise:12:02 PM Moonset: 04:24 AM Moon Phase ( Waxing Gibbous ) |
|
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