Monthly weather forecast in Great Falls

SundayMondayTuesdayWednesdayThursdayFridaySaturday
8 September, Sunday. day, 33°; night, 18°; partly cloudy9 September, Monday. day, 32°; night, 13°; mostly clear10 September, Tuesday. day, 24°; night, 14°; partly cloudy11 September, Wednesday. day, 25°; night, 13°; light rain12 September, Thursday. day, 16°; night, 11°; heavy rain13 September, Friday. day, 18°; night, 12°; rain14 September, Saturday. day, 24°; night, 12°; overcast
15 September, Sunday. day, 24°; night, 12°; mostly clear16 September, Monday. day, 22°; night, 13°; overcast17 September, Tuesday. day, 20°; night, 12°; light rain18 September, Wednesday. day, 17°; night, 11°; partly cloudy19 September, Thursday. day, 19°; night, 11°; mostly clear20 September, Friday. day, 21°; night, 9°; mostly clear21 September, Saturday. day, 15°; night, 10°; light rain
22 September, Sunday. day, 20°; night, 12°; clear23 September, Monday. day, 17°; night, 12°; light rain24 September, Tuesday. day, 12°; night, 9°; light rain25 September, Wednesday. day, 16°; night, 10°; partly cloudy26 September, Thursday. day, 11°; night, 5°; partly cloudy27 September, Friday. day, 19°; night, 15°; mostly clear28 September, Saturday. day, 14°; night, 6°; light rain
29 September, Sunday. day, 15°; night, 7°; clear30 September, Monday. day, 19°; night, 10°; mostly clear1 October, Tuesday. day, 14°; night, 10°; rain2 October, Wednesday. day, 14°; night, 8°; partly cloudy3 October, Thursday. day, 16°; night, 8°; mostly clear4 October, Friday. day, 18°; night, 10°; clear5 October, Saturday. day, 18°; night, 8°; clear
6 October, Sunday. day, 17°; night, 9°; clear7 October, Monday. day, 16°; night, 9°; clearNext, the average data for 10 years8 October, Tuesday. day, 13°; night, 8°; partly cloudy9 October, Wednesday. day, 14°; night, 8°; clear10 October, Thursday. day, 9°; night, 4°; partly cloudy11 October, Friday. day, 8°; night, 5°; partly cloudy12 October, Saturday. day, 12°; night, 7°; partly cloudy

Average for 30 days

13 sunny days; 9 days with precipitation; 8 cloudy days;
air humidity 61%; 31 millimeters of precipitation (8% of annual average); Wind westerly 4.5 Meters per second