Grom Flow – Weather Forecast
Flagstaff Hill, SA, AU
This page shows a route-based weather forecast for the Grom Flow cycling climb in Flagstaff Hill, SA, AU. 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.
Grom Flow
Plan Your Ride
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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
Creates a new saved route in the reversed direction
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 Wed 09 Sep 02:12
Climate Overview
| Month |
Temp Day
|
Temp Night
|
Sunny Days
|
Sun Hours
|
Rain Days
|
Precipitation
|
Humidity
|
UV Index
|
Day Length
|
|---|---|---|---|---|---|---|---|---|---|
| Jan | 28°C | 17°C | 31 | 13.0h | 5 | 8 mm | 75 % | 2 | 14h 12m |
| Feb | 29°C | 18°C | 28 | 12.4h | 3 | 6 mm | 73 % | 3 | 13h 21m |
| Mar | 28°C | 17°C | 31 | 11.3h | 3 | 15 mm | 70 % | 4 | 12h 17m |
| Apr | 23°C | 15°C | 26 | 9.3h | 9 | 20 mm | 68 % | 5 | 11h 11m |
| May | 18°C | 10°C | 31 | 9.3h | 7 | 53 mm | 65 % | 6 | 10h 17m |
| Jun | 14°C | 9°C | 25 | 8.2h | 16 | 129 mm | 67 % | 7 | 9h 50m |
| Jul | 13°C | 8°C | 26 | 8.1h | 19 | 177 mm | 66 % | 8 | 10h 3m |
| Aug | 15°C | 8°C | 27 | 8.6h | 17 | 178 mm | 68 % | 7 | 10h 50m |
| Sep | 17°C | 10°C | 28 | 9.8h | 21 | 89 mm | 70 % | 5 | 11h 52m |
| Oct | 19°C | 11°C | 25 | 10.3h | 21 | 110 mm | 72 % | 4 | 12h 58m |
| Nov | 19°C | 11°C | 25 | 10.5h | 22 | 97 mm | 76 % | 2 | 13h 57m |
| Dec | 25°C | 14°C | 31 | 12.9h | 6 | 16 mm | 77 % | 2 | 14h 28m |