Current weather conditions and 15 day weather forecast for Alcatraz 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.
| 04 February 2026 Wednesday 8.3 ° C / 46.9°F ![]() Sunny |
Feels Like : 6.1 ° C / 42.9°F Humidity : % 93 Pressure : 1024 mb Wind Speed : 13.3 kmph / 8.3 miles from NE ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 04 February 2026 Wednesday | Sunny |
8.8 ° C (47.8°F) |
21.3 ° C (70.3°F) |
13.8 ° C (56.8°F) |
% 71 | 0% | 0.7 | Sunrise:07:11 AM Sunset: 05:37 PM |
Moonrise:08:59 PM Moonset: 08:42 AM Moon Phase ( Waning Gibbous ) |
|
| 05 February 2026 Thursday | Partly Cloudy |
9.1 ° C (48.4°F) |
17.1 ° C (62.8°F) |
13.6 ° C (56.5°F) |
% 81 | 0% | 0.6 | Sunrise:07:10 AM Sunset: 05:38 PM |
Moonrise:10:02 PM Moonset: 09:06 AM Moon Phase ( Waning Gibbous ) |
|
| 06 February 2026 Friday | Overcast |
12 ° C (53.6°F) |
14.5 ° C (58.1°F) |
14.1 ° C (57.3°F) |
% 84 | 0% | 0.6 | Sunrise:07:09 AM Sunset: 05:39 PM |
Moonrise:11:03 PM Moonset: 09:29 AM Moon Phase ( Waning Gibbous ) |
|
| 07 February 2026 Saturday | Cloudy |
9.6 ° C (49.3°F) |
15.8 ° C (60.5°F) |
12 ° C (53.7°F) |
% 86 | 0% | 0.7 | Sunrise:07:08 AM Sunset: 05:40 PM |
Moonrise:No moonrise Moonset: 09:53 AM Moon Phase ( Waning Gibbous ) |
|
| 08 February 2026 Sunday | Sunny |
11.9 ° C (53.5°F) |
15.8 ° C (60.5°F) |
13.5 ° C (56.2°F) |
% 79 | 0% | 0 | Sunrise:07:07 AM Sunset: 05:42 PM |
Moonrise:12:05 AM Moonset: 10:19 AM Moon Phase ( Waning Gibbous ) |
|
| 09 February 2026 Monday | Partly Cloudy |
11.2 ° C (52.2°F) |
14.4 ° C (57.8°F) |
12.7 ° C (54.8°F) |
% 80 | 0% | 4 | Sunrise:07:06 AM Sunset: 05:43 PM |
Moonrise:01:07 AM Moonset: 10:50 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday | Partly Cloudy |
10.4 ° C (50.8°F) |
13 ° C (55.5°F) |
11.6 ° C (52.8°F) |
% 72 | 0% | 4 | Sunrise:07:05 AM Sunset: 05:44 PM |
Moonrise:02:07 AM Moonset: 11:27 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday | Partly Cloudy |
9.4 ° C (49°F) |
15.6 ° C (60°F) |
12.1 ° C (53.8°F) |
% 66 | 0% | 4 | Sunrise:07:04 AM Sunset: 05:45 PM |
Moonrise:03:07 AM Moonset: 12:10 PM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday | Sunny |
9.8 ° C (49.6°F) |
14.4 ° C (58°F) |
12 ° C (53.6°F) |
% 67 | 0% | 4 | Sunrise:07:03 AM Sunset: 05:46 PM |
Moonrise:04:02 AM Moonset: 01:01 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Sunny |
9.7 ° C (49.5°F) |
13.8 ° C (56.9°F) |
11.5 ° C (52.8°F) |
% 72 | 0% | 4 | Sunrise:07:01 AM Sunset: 05:47 PM |
Moonrise:04:51 AM Moonset: 01:59 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Patchy rain nearby |
9.2 ° C (48.6°F) |
13.4 ° C (56.1°F) |
10.9 ° C (51.7°F) |
% 78 | 84% | 3 | Sunrise:07:00 AM Sunset: 05:48 PM |
Moonrise:05:34 AM Moonset: 03:02 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Patchy rain nearby |
8.5 ° C (47.3°F) |
10.7 ° C (51.2°F) |
9.6 ° C (49.2°F) |
% 71 | 89% | 2 | Sunrise:06:59 AM Sunset: 05:49 PM |
Moonrise:06:10 AM Moonset: 04:08 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Patchy rain nearby |
6.8 ° C (44.2°F) |
11.1 ° C (52°F) |
9.7 ° C (49.4°F) |
% 66 | 89% | 2 | Sunrise:06:58 AM Sunset: 05:50 PM |
Moonrise:06:42 AM Moonset: 05:15 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Sunny |
7.1 ° C (44.8°F) |
11.7 ° C (53.1°F) |
9.4 ° C (49°F) |
% 64 | 0% | 3 | Sunrise:06:57 AM Sunset: 05:51 PM |
Moonrise:07:10 AM Moonset: 06:22 PM Moon Phase ( New Moon ) |
|