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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Briefly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Jamestown, in South Australia’s mid-north, is looking at a mostly fine day according to the live forecast above, with light winds and mild temperatures typical of late autumn. The region sits between the Clare Valley and the southern Flinders Ranges, so conditions can shift quickly with a change moving through.
What’s driving the weather in Jamestown today?
A high-pressure system over the Bight is keeping things stable for now, but a trough is expected to approach from the west later in the week. This pattern often brings a cool south-westerly change to the mid-north, dropping temperatures and increasing the chance of showers. For the latest on any developing systems, check the severe weather warning page.
How does Jamestown’s climate compare to nearby towns?
Jamestown sits at about 450 metres elevation, making it noticeably cooler than coastal centres like Adelaide weather or even Port Pirie weather. Frosts are common in winter, while summer afternoons can still push into the high 30s. The jamestown weather sa outlook often lags a few degrees behind the jamestown weather elders forecast for the lower plains.
Where can I find the Jamestown weather radar?
The closest weather radar to Jamestown is at Buckland Park, north of Adelaide, which covers the mid-north region. For localised conditions, the bom jamestown observations page and jamestown weather hourly updates are more reliable.
Is there a 14-day forecast for Jamestown?
Yes, a jamestown weather 14 day forecast is available through the Bureau of Meteorology and third-party sites like Weatherzone. Bear in mind that accuracy drops significantly beyond seven days, especially for inland areas like Jamestown.
How does the weather affect travel to Jamestown?
Road conditions on the Horrocks Highway and local roads can deteriorate quickly during heavy rain or frost. Check the jamestown weather before driving, and allow extra time if a cold change is forecast.