Monthly weather forecast in West Yellowstone

SundayMondayTuesdayWednesdayThursdayFridaySaturday
18 August, Sunday. day, 21°; night, 13°; clear19 August, Monday. day, 25°; night, 7°; light rain20 August, Tuesday. day, 26°; night, 7°; partly cloudy21 August, Wednesday. day, 25°; night, 4°; partly cloudy22 August, Thursday. day, 26°; night, 9°; mostly clear23 August, Friday. day, 24°; night, 9°; light rain24 August, Saturday. day, 14°; night, 6°; rain
25 August, Sunday. day, 16°; night, 7°; rain26 August, Monday. day, 20°; night, 7°; light rain27 August, Tuesday. day, 22°; night, 7°; rain28 August, Wednesday. day, 21°; night, 8°; mostly clear29 August, Thursday. day, 23°; night, 9°; clear30 August, Friday. day, 23°; night, 10°; clear31 August, Saturday. day, 22°; night, 12°; overcast
1 September, Sunday. day, 26°; night, 13°; partly cloudy2 September, Monday. day, 24°; night, 11°; partly cloudy3 September, Tuesday. day, 24°; night, 14°; partly cloudy4 September, Wednesday. day, 24°; night, 13°; mostly clear5 September, Thursday. day, 23°; night, 12°; partly cloudy6 September, Friday. day, 21°; night, 11°; partly cloudy7 September, Saturday. day, 22°; night, 7°; mostly clear
8 September, Sunday. day, 21°; night, 12°; clear9 September, Monday. day, 15°; night, 5°; mostly clear10 September, Tuesday. day, 20°; night, 7°; clear11 September, Wednesday. day, 21°; night, 10°; clear12 September, Thursday. day, 22°; night, 5°; clear13 September, Friday. day, 22°; night, 9°; clear14 September, Saturday. day, 19°; night, 8°; mostly clear
15 September, Sunday. day, 19°; night, 8°; clear16 September, Monday. day, 22°; night, 10°; clear17 September, Tuesday. day, 23°; night, 11°; clearNext, the average data for 10 years18 September, Wednesday. day, 14°; night, 8°; partly cloudy19 September, Thursday. day, 14°; night, 7°; clear20 September, Friday. day, 14°; night, 8°; partly cloudy21 September, Saturday. day, 13°; night, 8°; rain

Average for 30 days

17 sunny days; 5 days with precipitation; 8 cloudy days;
air humidity 41%; 18 millimeters of precipitation (3% of annual average); Wind south-westerly 4.4 Meters per second