Newcastle Weather Forecast 15 Days, Weather in Newcastle Today
Current weather conditions and 15 day weather forecast for Newcastle, California, 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
| 09 February 2026 Monday 16.5 ° C / 61.7°F  Sunny |
Feels Like : 16.5 ° C / 61.7°F Humidity : % 51 Pressure : 1019 mb Wind Speed : 14.4 kmph / 8.9 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Newcastle, CA, 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, California 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 February 2026 Monday | Sunny |
9.2 ° C (48.6°F) |
21.6 ° C (70.9°F) |
14.4 ° C (57.8°F) |
% 62 | 0% | 0.5 | Sunrise:07:02 AM Sunset: 05:35 PM |
Moonrise:01:04 AM Moonset: 10:41 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday |  Patchy rain nearby |
8.8 ° C (47.9°F) |
14.7 ° C (58.5°F) |
11.8 ° C (53.2°F) |
% 73 | 86% | 0.5 | Sunrise:07:01 AM Sunset: 05:37 PM |
Moonrise:02:06 AM Moonset: 11:17 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday |  Heavy rain |
8.1 ° C (46.6°F) |
12.4 ° C (54.3°F) |
10.1 ° C (50.2°F) |
% 83 | 84% | 0.3 | Sunrise:07:00 AM Sunset: 05:38 PM |
Moonrise:03:06 AM Moonset: 12:00 PM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday |  Mist |
6.7 ° C (44.1°F) |
14.7 ° C (58.5°F) |
10.4 ° C (50.7°F) |
% 87 | 0% | 0.6 | Sunrise:06:59 AM Sunset: 05:39 PM |
Moonrise:04:01 AM Moonset: 12:51 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Sunny |
4.2 ° C (39.6°F) |
14.3 ° C (57.8°F) |
8.6 ° C (47.4°F) |
% 69 | 0% | 0.7 | Sunrise:06:58 AM Sunset: 05:40 PM |
Moonrise:04:50 AM Moonset: 01:50 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Patchy rain nearby |
5.5 ° C (41.8°F) |
10.5 ° C (50.9°F) |
7.5 ° C (45.5°F) |
% 85 | 82% | 0 | Sunrise:06:56 AM Sunset: 05:41 PM |
Moonrise:05:33 AM Moonset: 02:53 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Patchy rain nearby |
1.3 ° C (34.4°F) |
6.9 ° C (44.4°F) |
4.4 ° C (40°F) |
% 89 | 87% | 1 | Sunrise:06:55 AM Sunset: 05:42 PM |
Moonrise:06:08 AM Moonset: 04:00 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday |  Moderate rain |
1.1 ° C (34°F) |
8.3 ° C (47°F) |
3.6 ° C (38.4°F) |
% 89 | 88% | 1 | Sunrise:06:54 AM Sunset: 05:43 PM |
Moonrise:06:39 AM Moonset: 05:07 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Moderate rain |
2.2 ° C (35.9°F) |
4.9 ° C (40.8°F) |
3.9 ° C (39°F) |
% 95 | 83% | 1 | Sunrise:06:53 AM Sunset: 05:45 PM |
Moonrise:07:06 AM Moonset: 06:15 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Moderate rain |
0.8 ° C (33.5°F) |
5.2 ° C (41.4°F) |
3 ° C (37.4°F) |
% 96 | 88% | 1 | Sunrise:06:51 AM Sunset: 05:46 PM |
Moonrise:07:30 AM Moonset: 07:23 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday |  Partly Cloudy |
-2.8 ° C (26.9°F) |
7.2 ° C (44.9°F) |
2.5 ° C (36.5°F) |
% 85 | 0% | 2 | Sunrise:06:50 AM Sunset: 05:47 PM |
Moonrise:07:54 AM Moonset: 08:31 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Patchy rain nearby |
2.8 ° C (37°F) |
5.9 ° C (42.6°F) |
4.5 ° C (40.1°F) |
% 92 | 89% | 1 | Sunrise:06:49 AM Sunset: 05:48 PM |
Moonrise:08:18 AM Moonset: 09:42 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Patchy rain nearby |
-0.1 ° C (31.8°F) |
8 ° C (46.3°F) |
3.3 ° C (37.9°F) |
% 83 | 75% | 1 | Sunrise:06:47 AM Sunset: 05:49 PM |
Moonrise:08:44 AM Moonset: 10:54 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Patchy rain nearby |
1.2 ° C (34.1°F) |
4 ° C (39.3°F) |
2.8 ° C (37.1°F) |
% 92 | 89% | 1 | Sunrise:06:46 AM Sunset: 05:50 PM |
Moonrise:09:15 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
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