Site Update (May 1st 2013): All weather maps have been improved to make them much more useful for climbers. Animate either temperature or weather and move your cursor to any mountain location to see how the weather is forecast to evolve at various elevations. Because of the limited space on these large region maps, we can only show this at a subset of locations. We will add much more detailed maps very soon.
| Forecasts: |
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See 9 day forecast 
Weather Forecast Issued (local time): 4
pm Sunday 19
May 2013
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| Days 0-3 Mount Diablo Weather Summary: Mostly dry. Warm (max 20°C on Mon afternoon, min 6°C on Wed morning). Winds increasing (light winds from the W on Mon night, fresh winds from the WNW by Tue night). | Days 3-6 Mount Diablo Weather Summary: Mostly dry. Very mild (max 13°C on Fri afternoon, min 7°C on Wed night). Wind will be generally light. | |||||||||||||||||
| Sun | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Sat | ||||||||||||
| PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | |
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Wind (km/h) |
 30 |
25 |
20 |
10 |
15 |
25 |
35 |
25 |
25 |
20 |
10 |
10 |
20 |
5 |
5 |
10 |
10 |
10 |
| Summary | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear |
| Snow (cm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| High °C | 18 | 18 | 18 | 20 | 19 | 16 | 15 | 14 | 7 | 10 | 10 | 7 | 10 | 10 | 11 | 13 | 13 | 11 |
| Low °C | 16 | 17 | 17 | 19 | 16 | 15 | 15 | 7 | 6 | 9 | 7 | 7 | 9 | 10 | 10 | 13 | 10 | 10 |
| Chill °C | 17 | 17 | 18 | 20 | 19 | 15 | 13 | 12 | 3 | 7 | 8 | 5 | 8 | 9 | 11 | 13 | 12 | 10 |
| Freezing level (m) | 4150 | 4150 | 4250 | 4300 | 4100 | 3800 | 3900 | 3550 | 3250 | 3050 | 3050 | 2550 | 3300 | 3400 | 3450 | 3550 | 3400 | 3350 |
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| Sunrise | - | - | 5:52 | - | - | 5:52 | - | - | 5:52 | - | - | 5:50 | - | - | 5:50 | - | - | 5:50 |
| Sunset | 20:14 | - | - | 20:15 | - | - | 20:15 | - | - | 20:16 | - | - | 20:16 | - | - | 20:17 | - | - |
This table gives the weather forecast for Mount Diablo at the specific elevation of 1173 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Diablo. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of California.
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