Current weather conditions and 15 day weather forecast for John Muir Mt. Diablo Medical Center 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.
| 27 September 2026 Sunday 17.2 ° C / 62.9°F ![]() Clear |
Feels Like : 14.3 ° C / 57.7°F Humidity : % 45 Pressure : 1011 mb Wind Speed : 9 kmph / 5.6 miles from WNW ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 6 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 26 September 2026 Saturday | Sunny |
11.2 ° C (52.1°F) |
29.3 ° C (84.7°F) |
19.1 ° C (66.4°F) |
% 50 | 3% | 6.2 | Sunrise:06:58 AM Sunset: 06:58 PM |
Moonrise:06:51 PM Moonset: 07:03 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
11.8 ° C (53.3°F) |
28.3 ° C (82.9°F) |
18.2 ° C (64.8°F) |
% 54 | 6% | 6 | Sunrise:06:59 AM Sunset: 06:56 PM |
Moonrise:07:15 PM Moonset: 08:04 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
9.8 ° C (49.6°F) |
30.4 ° C (86.8°F) |
18.5 ° C (65.4°F) |
% 56 | 2% | 5.9 | Sunrise:06:59 AM Sunset: 06:55 PM |
Moonrise:07:43 PM Moonset: 09:08 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Sunny |
14.1 ° C (57.3°F) |
35.5 ° C (95.9°F) |
22.6 ° C (72.7°F) |
% 36 | 1% | 6.3 | Sunrise:07:00 AM Sunset: 06:53 PM |
Moonrise:08:15 PM Moonset: 10:15 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
15.3 ° C (59.6°F) |
36.3 ° C (97.3°F) |
24.6 ° C (76.2°F) |
% 29 | 0% | 6.4 | Sunrise:07:01 AM Sunset: 06:51 PM |
Moonrise:08:55 PM Moonset: 11:23 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Overcast |
15.8 ° C (60.5°F) |
34 ° C (93.1°F) |
23.6 ° C (74.4°F) |
% 33 | 4% | 8 | Sunrise:07:02 AM Sunset: 06:50 PM |
Moonrise:09:44 PM Moonset: 12:31 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Overcast |
16.1 ° C (61°F) |
32.8 ° C (91°F) |
23 ° C (73.5°F) |
% 37 | 7% | 7 | Sunrise:07:03 AM Sunset: 06:48 PM |
Moonrise:10:44 PM Moonset: 01:35 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Sunny |
16.8 ° C (62.2°F) |
36.7 ° C (98.1°F) |
25.4 ° C (77.7°F) |
% 25 | 1% | 9 | Sunrise:07:04 AM Sunset: 06:47 PM |
Moonrise:11:52 PM Moonset: 02:31 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Sunny |
19.2 ° C (66.6°F) |
38.8 ° C (101.8°F) |
26.6 ° C (79.8°F) |
% 21 | 2% | 9 | Sunrise:07:05 AM Sunset: 06:45 PM |
Moonrise:Does not rise today Moonset: 03:19 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Sunny |
14.7 ° C (58.5°F) |
32.4 ° C (90.4°F) |
22.5 ° C (72.5°F) |
% 41 | 1% | 8 | Sunrise:07:06 AM Sunset: 06:44 PM |
Moonrise:01:05 AM Moonset: 03:59 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Sunny |
15.8 ° C (60.5°F) |
37.1 ° C (98.8°F) |
24.8 ° C (76.6°F) |
% 29 | 0% | 9 | Sunrise:07:07 AM Sunset: 06:42 PM |
Moonrise:02:21 AM Moonset: 04:32 PM Moon Phase ( Waning Crescent ) |
|
| 07 October 2026 Wednesday | Sunny |
16.6 ° C (61.9°F) |
36 ° C (96.9°F) |
24.9 ° C (76.9°F) |
% 26 | 0% | 9 | Sunrise:07:07 AM Sunset: 06:41 PM |
Moonrise:03:35 AM Moonset: 05:02 PM Moon Phase ( Waning Crescent ) |
|
| 08 October 2026 Thursday | Sunny |
16.1 ° C (60.9°F) |
34.3 ° C (93.7°F) |
23.6 ° C (74.4°F) |
% 25 | 1% | 8 | Sunrise:07:08 AM Sunset: 06:39 PM |
Moonrise:04:49 AM Moonset: 05:29 PM Moon Phase ( Waning Crescent ) |
|
| 09 October 2026 Friday | Sunny |
14.9 ° C (58.8°F) |
32.8 ° C (91°F) |
22.6 ° C (72.7°F) |
% 45 | 3% | 8 | Sunrise:07:09 AM Sunset: 06:38 PM |
Moonrise:06:01 AM Moonset: 05:56 PM Moon Phase ( New Moon ) |
|