Fort Simpson, in Northwest Territories, Canada, is home to roughly 1,100 people in the America/Edmonton time zone at 61.9°N latitude.
In 2025, Fort Simpson averaged an annual temperature of 30°F, with hottest temperatures reaching 87°F in July and lowest around -39°F in February. The city received approximately 13 inches of precipitation during the year.
View historical weather for Fort Simpson · More cities in Northwest Territories