Weather
Fayetteville, AR Weather Tonight: Lows Hit 37°F Oct. 17-18
Fayetteville, AR – A pleasant Saturday afternoon across Arkansas will give way to a chilly night October 17 18, with temperatures falling into the 30s and 40s across much of the state. Some higher ele
By Lena Wood · 2026-10-17T15:45:33.203Z
Fayetteville, AR – A pleasant Saturday afternoon across Arkansas will give way to a chilly night October 17 18, with temperatures falling into the 30s and 40s across much of the state. Some higher elevation communities could experience patchy frost by early Sunday morning.
According to the National Weather Service NWS in Little Rock, Arkansas, afternoon temperatures Saturday, October 17, will range from the 50s in higher elevations to the low 70s across southern Arkansas. Overnight lows are expected to fall below 40°F in several northern communities.
Saturday, October 17: Comfortable Afternoon Across Arkansas
Fayetteville, AR, is forecast to reach 63°F Saturday afternoon before temperatures drop sharply after sunset.
Nearby Harrison, AR, could also reach 63°F, while Mountain View, AR, is expected near 62°F.
Farther south, Fort Smith, AR, could reach 67°F, Russellville, AR, 68°F, and Little Rock, AR, 66°F.
Southern Arkansas will experience warmer conditions, with De Queen, AR, reaching approximately 71°F and El Dorado, AR, near 70°F.
Overnight October 17 18: Temperatures Fall Into the 30s
The coldest overnight temperatures are expected across northern Arkansas.
Fayetteville, AR, and Harrison, AR, are forecast to reach 37°F, while Mountain View, AR, could drop to 38°F.
Hardy, AR, may fall to 35°F, one of the lowest city temperatures shown in the NWS forecast.
Central Arkansas will remain slightly warmer, with Little Rock, AR, near 42°F, Russellville, AR, around 40°F, and Hot Springs, AR, near 41°F.
Sunday Morning, October 18: Patchy Frost Possible
The NWS indicates that some higher elevations could experience pockets of frost overnight into Sunday morning.
Although most forecast temperatures remain above freezing, localized frost can develop under favorable conditions, particularly in sheltered valleys and higher elevation locations.
Residents with sensitive outdoor plants should consider protecting vulnerable vegetation before temperatures fall Saturday evening.
No widespread freeze warning is indicated in the supplied NWS update.
Residents should continue monitoring local forecasts for changes in overnight temperatures and frost potential across Arkansas.