WXSIM Forecast for: Lethbridge Issued by: West Lethbridge Weather

Updated: Tuesday, 21-Jul-2026 06:00 am

Today Mostly Cloudy Tonight Mostly Clear Wednesday Mostly Sunny Wednesday night Partly Cloudy Thursday Mostly Sunny Thursday night Partly Cloudy Friday Sunny Friday night Clear Saturday Sunny Saturday night Clear High: 29° Low: 15° High: 33° Low: 16° High: 35° Low: 18° High: 33° Low: 17° High: 32° Low: 14°                     ESE 4→9 km/h Light breeze ESE→SSE 5 km/h Light air S 7-25 km/h Moderate breeze E→SSW 5 km/h Light air SW 10-27 km/h Moderate breeze WSW 10-25 km/h Moderate breeze WSW 16-36→26-41 km/h Strong breeze WSW 20-39→15 km/h Fresh breeze SW 17-32→23-36 km/h Fresh breeze SW 14-34 km/h Fresh breeze UV: 8  Very High  UV: 8  Very High  UV: 8  Very High  UV: 8  Very High  UV: 8  Very High

Today	Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 29°. UV index up to 8. Wind east-southeast around 4 km/h in the morning, becoming 9 km/h in the afternoon.
Tonight	Mostly clear. Low 15°. Wind east-southeast around 5 km/h in the evening, becoming south-southeast after midnight.
Wednesday	Sunny in the morning, becoming partly to mostly sunny in the afternoon. Very hot. High 33°. UV index up to 8. Wind south around 7 km/h, gusting to 25 km/h.
Wednesday night	Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 16°. Wind east around 5 km/h in the evening, becoming south-southwest after midnight.
Thursday	Partly to mostly sunny. Very hot. High 35°. UV index up to 8. Wind southwest around 10 km/h, gusting to 27 km/h.
Thursday night	Fair to partly cloudy in the evening, becoming mostly clear after midnight. Low 18°. Wind west-southwest around 10 km/h, gusting to 25 km/h.
Friday	Sunny. Breezy and very hot. High 33°. UV index up to 8. Wind west-southwest around 16 km/h, gusting to 36 km/h, in the morning, becoming 26 km/h, gusting to 41 km/h, in the afternoon.
Friday night	Clear. Low 17°. Wind west-southwest around 20 km/h, gusting to 39 km/h, in the evening, becoming 15 km/h after midnight.
Saturday	Sunny. Breezy and hot. High 32°. UV index up to 8. Wind southwest around 17 km/h, gusting to 32 km/h, in the morning, becoming 23 km/h, gusting to 36 km/h, in the afternoon.
Saturday night	Clear. Low 14°. Wind southwest around 14 km/h, gusting to 34 km/h.
Sunday	Sunny. Breezy and hot. High 29°. UV index up to 8. Wind southwest around 20 km/h, gusting to 36 km/h.
Sunday night	Clear. Low 12°. Wind west-southwest around 11 km/h, gusting to 36 km/h.
Monday	Sunny. Hot. High 30°. UV index up to 8. Wind west around 10 km/h, gusting to 29 km/h, in the morning, becoming 22 km/h, gusting to 39 km/h, in the afternoon.
Monday night	Clear. Low 12°. Wind west around 14 km/h, gusting to 33 km/h, in the evening, becoming 9 km/h after midnight.

WXSIM forecast formatting script by Saratoga-Weather.org.