Patterson Pass (East) – Weather Forecast
Category 2Livermore, CA, US
This page shows a route-based weather forecast for the Patterson Pass (East) cycling climb in Livermore, CA, US. Unlike a simple location forecast, conditions are calculated at every point along the climb — from the base to the summit — using the actual route profile and elevation data.
You'll see hour-by-hour temperature, wind speed and direction, precipitation probability, and cloud cover adjusted for altitude. Choose your planned departure time to align the forecast with your ride.
Patterson Pass (East)
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Calculating weather along route...
Trip Summary
Forecast A
Trip Summary A
Forecast B
Trip Summary B
Weather Display Options
Forecast A - Route Map
Forecast B - Route Map
Compare Reversed Route
Same departure time & speed — opposite direction
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← Reversed Direction
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Route Map
Elevation Profile
Temperature Along Route
Precipitation & Precipitation Probability Along Route
Wind Along Route
Humidity Along Route
Pollen Along Route
UV Index Along Route
Start place details
Weather Forecast
Hourly around Mon 19 Oct 22:35
Climate Overview
| Month |
Temp Day
|
Temp Night
|
Sunny Days
|
Sun Hours
|
Rain Days
|
Precipitation
|
Humidity
|
UV Index
|
Day Length
|
|---|---|---|---|---|---|---|---|---|---|
| Jan | 14°C | 5°C | 29 | 8.7h | 3 | 30 mm | 75 % | 2 | 9h 54m |
| Feb | 15°C | 7°C | 20 | 7.5h | 10 | 129 mm | 73 % | 3 | 10h 50m |
| Mar | 17°C | 7°C | 28 | 9.8h | 13 | 74 mm | 70 % | 4 | 11h 59m |
| Apr | 22°C | 10°C | 29 | 11.7h | 5 | 11 mm | 68 % | 5 | 13h 12m |
| May | 27°C | 13°C | 31 | 13.6h | 2 | 2 mm | 65 % | 6 | 14h 13m |
| Jun | 30°C | 15°C | 30 | 14.0h | 0 | 0 mm | 67 % | 7 | 14h 43m |
| Jul | 31°C | 15°C | 31 | 13.9h | 0 | 0 mm | 66 % | 8 | 14h 27m |
| Aug | 33°C | 17°C | 31 | 13.1h | 0 | 0 mm | 68 % | 7 | 13h 33m |
| Sep | 30°C | 17°C | 28 | 11.1h | 4 | 9 mm | 70 % | 5 | 12h 23m |
| Oct | 23°C | 12°C | 25 | 9.2h | 7 | 50 mm | 72 % | 4 | 11h 11m |
| Nov | 17°C | 9°C | 22 | 7.6h | 10 | 106 mm | 76 % | 2 | 10h 8m |
| Dec | 12°C | 6°C | 21 | 7.0h | 11 | 66 mm | 77 % | 2 | 9h 36m |