Loading Is There Frost Coming?…
Tonight's frost risk for Norway Road, read from Environment Canada's own forecast model at ground level — for the potato harvest and any garden still in the ground.
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Norway Road runs on potato contracts and a spring lobster season, and both turn on the same date every autumn: the first hard frost. This reads Environment Canada's own forecast model for the ground here, so growers and gardeners can see it coming rather than guess.
No frost expected today. Good visibility through the day.
As of August 29 at 6:30 a.m. Modelled forecast for the area around Norway Road, near North Cape, refreshed about every half hour.
| Day | Lowest temp | Frost risk | Worst visibility |
|---|---|---|---|
| Sunday, August 30 | 14°C | No frost | Clear |
| Monday, August 31 | 12°C | No frost | Clear |
A modelled estimate, not a measurement
Frost uses the UK Met Office frost definitions, applied to the forecast minimum air temperature: Ground-frost risk when the low is between 0 and 4 °C (surfaces can still cool below the air on a clear, calm night), Air frost when the air itself reaches 0 °C or below, and we call the coldest nights — around −2 °C and below — Hard frost.
Fog uses the standard WMO and Met Office fog definitions, applied to the modelled visibility: Mist from 1 to 5 km, Fog below 1 km, and Dense fog below 200 m. The number is the model’s visibility for the area, not a reading on your road.
West Prince's potato contracts with Cavendish Farms are dug before the ground freezes — a hard frost after the vines die back can still damage tubers left in the row, so growers watch the overnight low as harvest nears.
Norway sits about a kilometre from the Gulf at the top of the Island with no windbreak worth the name, so a clear, calm night can drop colder here than the forecast for Charlottetown or Summerside implies.
Prince County's average first-fall-frost date falls in late September to early October, but it moves by a couple of weeks either way — which is why a night-by-night reading is worth more than a calendar date.
Fetched August 29 at 6:30 a.m.. These are modelled estimates for the area around Norway Road, near North Cape, not measurements — a frost pocket or a fog bank on one slope won’t show in an area-wide number. Weather data by Open-Meteo (CC BY 4.0). Frost categories from the UK Met Office; fog bands from the WMO and Met Office.
Clear, no frost
Good visibility · Norway Road, near North Cape