Home › Weather › Jasper Weather
Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scope Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Jasper today, then plan your layers: mountain weather here shifts quickly, so a sunny morning can become a rainy afternoon within an hour. This page explains what drives those changes and what to expect across the seasons.
What makes Jasper’s weather different from other mountain towns?
Jasper sits in a broad valley of the Rocky Mountains, which funnels Pacific air through the Athabasca River corridor. This creates a rain-shadow effect: Jasper gets less precipitation than places like Hinton weather stations record, but it still sees sudden cloud build-ups and afternoon thunderstorms in summer. The altitude (around 1,060 metres) also means cooler nights year-round, even during July heat.
How reliable are long-range forecasts for Jasper?
Forecasts beyond a week — such as a jasper weather 14 day outlook or a jasper weather 30 days projection — are general trends, not day-by-day guarantees. Mountain weather patterns shift unpredictably. For planning hikes or drives, the jasper weather 7 days forecast is the most reliable; the jasper weather 21 day forecast can hint at seasonal shifts but should be checked again closer to your trip.
What is the weather in Jasper tomorrow likely to be?
Check the live forecast above for the most accurate weather in Jasper tomorrow. Mountain forecasts change rapidly, so look for the afternoon high and chance of rain — that’s when conditions shift most.
Does Jasper have a monsoon season?
No, but July and August bring frequent afternoon thunderstorms as warm valley air rises against the mountains. These pass quickly, so a morning hike is often dry, while afternoons may need a rain jacket.
How cold does Jasper weather in January get?
Jasper weather January averages a high of –4°C and a low of –15°C, but Arctic outflow events can drop temperatures to –30°C for a few days. Always pack a warm parka and insulated boots if visiting midwinter.
Sources
For broader conditions across the country, visit our Canada weather hub. Compare Jasper’s mountain climate with Calgary Weather or Edmonton Weather for a fuller picture of Alberta’s varied forecasts.