Current weather conditions and 15 day weather forecast for Diablo Canyon Power Plant 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.
| 12 May 2026 Tuesday 12.8 ° C / 55°F ![]() Partly cloudy |
Feels Like : 12.4 ° C / 54.3°F Humidity : % 86 Pressure : 1015 mb Wind Speed : 7.6 kmph / 4.7 miles from WSW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 May 2026 Tuesday | Cloudy |
10.4 ° C (50.7°F) |
21.3 ° C (70.3°F) |
14.3 ° C (57.8°F) |
% 88 | 0% | 9 | Sunrise:06:01 AM Sunset: 07:58 PM |
Moonrise:03:17 AM Moonset: 03:37 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
9.6 ° C (49.2°F) |
21 ° C (69.7°F) |
15.2 ° C (59.4°F) |
% 72 | 0% | 8.6 | Sunrise:06:00 AM Sunset: 07:58 PM |
Moonrise:03:44 AM Moonset: 04:44 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Sunny |
10.6 ° C (51°F) |
22.6 ° C (72.7°F) |
16.1 ° C (60.9°F) |
% 59 | 0% | 9.8 | Sunrise:05:59 AM Sunset: 07:59 PM |
Moonrise:04:13 AM Moonset: 05:56 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
11.6 ° C (52.8°F) |
23.2 ° C (73.8°F) |
16.6 ° C (61.9°F) |
% 61 | 0% | 0 | Sunrise:05:58 AM Sunset: 08:00 PM |
Moonrise:04:46 AM Moonset: 07:12 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
9.1 ° C (48.4°F) |
21.1 ° C (70.1°F) |
14.5 ° C (58.1°F) |
% 54 | 0% | 4 | Sunrise:05:58 AM Sunset: 08:01 PM |
Moonrise:05:27 AM Moonset: 08:29 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
6.7 ° C (44°F) |
20.7 ° C (69.3°F) |
13.8 ° C (56.9°F) |
% 64 | 0% | 4 | Sunrise:05:57 AM Sunset: 08:01 PM |
Moonrise:06:16 AM Moonset: 09:45 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Sunny |
10.4 ° C (50.7°F) |
20.9 ° C (69.6°F) |
15.2 ° C (59.3°F) |
% 61 | 0% | 5 | Sunrise:05:56 AM Sunset: 08:02 PM |
Moonrise:07:17 AM Moonset: 10:53 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
10 ° C (49.9°F) |
21.5 ° C (70.7°F) |
15.2 ° C (59.4°F) |
% 66 | 0% | 5 | Sunrise:05:56 AM Sunset: 08:03 PM |
Moonrise:08:26 AM Moonset: 11:50 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Sunny |
9.6 ° C (49.2°F) |
21.7 ° C (71.1°F) |
14.9 ° C (58.8°F) |
% 62 | 0% | 4 | Sunrise:05:55 AM Sunset: 08:04 PM |
Moonrise:09:40 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
8.6 ° C (47.5°F) |
20.3 ° C (68.5°F) |
13.9 ° C (57°F) |
% 70 | 0% | 4 | Sunrise:05:54 AM Sunset: 08:04 PM |
Moonrise:10:53 AM Moonset: 12:35 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Sunny |
8.7 ° C (47.7°F) |
22 ° C (71.5°F) |
15 ° C (58.9°F) |
% 69 | 0% | 4 | Sunrise:05:54 AM Sunset: 08:05 PM |
Moonrise:12:03 PM Moonset: 01:13 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
10.1 ° C (50.2°F) |
21.9 ° C (71.3°F) |
15.5 ° C (60°F) |
% 73 | 0% | 5 | Sunrise:05:53 AM Sunset: 08:06 PM |
Moonrise:01:08 PM Moonset: 01:44 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Partly Cloudy |
10 ° C (50°F) |
18.7 ° C (65.6°F) |
13.4 ° C (56.1°F) |
% 79 | 0% | 4 | Sunrise:05:53 AM Sunset: 08:07 PM |
Moonrise:02:10 PM Moonset: 02:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
8.9 ° C (48°F) |
18.1 ° C (64.7°F) |
13.4 ° C (56.1°F) |
% 73 | 0% | 4 | Sunrise:05:52 AM Sunset: 08:07 PM |
Moonrise:03:11 PM Moonset: 02:35 AM Moon Phase ( Waxing Gibbous ) |
|