Current weather conditions and 15 day weather forecast for St. Helena Fire Department Heliport, 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.
| 05 December 2025 Friday 4.4 ° C / 39.9°F ![]() Mist |
Feels Like : 4 ° C / 39.3°F Humidity : % 100 Pressure : 1023 mb Wind Speed : 3.6 kmph / 2.2 miles from NNE ![]() Visibility : 3.2 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday | Sunny |
5.7 ° C (42.3°F) |
19.2 ° C (66.6°F) |
10.6 ° C (51.1°F) |
% 75 | 0% | 0.4 | Sunrise:07:13 AM Sunset: 04:49 PM |
Moonrise:05:28 PM Moonset: 08:24 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Mist |
8 ° C (46.4°F) |
18.4 ° C (65.1°F) |
12.5 ° C (54.5°F) |
% 75 | 0% | 0.4 | Sunrise:07:14 AM Sunset: 04:49 PM |
Moonrise:06:40 PM Moonset: 09:29 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday | Partly Cloudy |
10.6 ° C (51.1°F) |
20 ° C (68°F) |
13.6 ° C (56.4°F) |
% 68 | 0% | 0.4 | Sunrise:07:15 AM Sunset: 04:49 PM |
Moonrise:07:57 PM Moonset: 10:19 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday | Sunny |
9.3 ° C (48.7°F) |
20 ° C (68°F) |
12.5 ° C (54.4°F) |
% 68 | 0% | 0.4 | Sunrise:07:16 AM Sunset: 04:49 PM |
Moonrise:09:11 PM Moonset: 10:59 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday | Sunny |
7.7 ° C (45.8°F) |
20.1 ° C (68.2°F) |
11.3 ° C (52.3°F) |
% 69 | 0% | 0 | Sunrise:07:17 AM Sunset: 04:49 PM |
Moonrise:10:20 PM Moonset: 11:31 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday | Partly Cloudy |
8.3 ° C (47°F) |
20 ° C (68°F) |
13.2 ° C (55.7°F) |
% 80 | 0% | 4 | Sunrise:07:18 AM Sunset: 04:49 PM |
Moonrise:11:26 PM Moonset: 11:56 AM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday | Sunny |
8.9 ° C (47.9°F) |
19 ° C (66.2°F) |
12 ° C (53.5°F) |
% 76 | 0% | 4 | Sunrise:07:18 AM Sunset: 04:49 PM |
Moonrise:No moonrise Moonset: 12:19 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Mist |
7.9 ° C (46.3°F) |
17.7 ° C (63.8°F) |
11.2 ° C (52.2°F) |
% 84 | 0% | 3 | Sunrise:07:19 AM Sunset: 04:49 PM |
Moonrise:12:28 AM Moonset: 12:40 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Patchy rain nearby |
5 ° C (40.9°F) |
12.2 ° C (53.9°F) |
9.2 ° C (48.5°F) |
% 91 | 88% | 2 | Sunrise:07:20 AM Sunset: 04:50 PM |
Moonrise:01:29 AM Moonset: 01:02 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Patchy rain nearby |
3.6 ° C (38.5°F) |
9.9 ° C (49.7°F) |
5.9 ° C (42.6°F) |
% 83 | 89% | 2 | Sunrise:07:21 AM Sunset: 04:50 PM |
Moonrise:02:28 AM Moonset: 01:24 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Patchy rain nearby |
4.1 ° C (39.4°F) |
8.1 ° C (46.5°F) |
6.4 ° C (43.5°F) |
% 90 | 86% | 2 | Sunrise:07:21 AM Sunset: 04:50 PM |
Moonrise:03:29 AM Moonset: 01:49 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Patchy rain nearby |
1.3 ° C (34.3°F) |
8.5 ° C (47.3°F) |
4.8 ° C (40.7°F) |
% 87 | 66% | 1 | Sunrise:07:22 AM Sunset: 04:51 PM |
Moonrise:04:29 AM Moonset: 02:18 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Patchy rain nearby |
1.8 ° C (35.3°F) |
7.6 ° C (45.6°F) |
4.5 ° C (40°F) |
% 85 | 89% | 1 | Sunrise:07:23 AM Sunset: 04:51 PM |
Moonrise:05:31 AM Moonset: 02:52 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Heavy rain |
4.3 ° C (39.7°F) |
11.5 ° C (52.7°F) |
8.7 ° C (47.6°F) |
% 97 | 84% | 2 | Sunrise:07:23 AM Sunset: 04:51 PM |
Moonrise:06:31 AM Moonset: 03:34 PM Moon Phase ( Waning Crescent ) |
|