Is this weather normal in Foster County?

North Dakota · county records since 1895, through September 2026.

Weather › North Dakota › Foster County

4.3 inches fell in September, the 5th-most for a September in Foster County in 132 years. Foster County has warmed about 0.4° per decade since 1970.

This week

Usual for Oct 28 to Nov 3: highs near 45°, lows near 25°

That is the 1991 to 2020 average for these dates in Foster County. The Weather Service forecast fills in below.

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usual high for the datewarmercooler

The last 12 months

Oct: +5.2°OctNov: +5.4°NovDec: -2.9°DecJan 2026: +1.1°JanFeb: +9.9°FebMar: +2.5°MarApr: -2.5°AprMay: -0.2°MayJun: +0.2°JunJul: +4.7°JulAug: -0.5°AugSep: +3.7°Sepwarmercooler

Each bar is a month's average temperature against the usual for that month (1991 to 2020). Ranks compare the same month in every year since 1895.

Every year since 1895

18952025

Rain and drought

Oct: +0.4 inOctNov: -0.3 inNovDec: -0.1 inDecJan 2026: -0.4 inJanFeb: +0.4 inFebMar: -0.5 inMarApr: -0.0 inAprMay: -1.2 inMayJun: +0.0 inJunJul: -1.7 inJulAug: -0.6 inAugSep: +2.3 inSepwetterdrier

Rain and melted snow against the usual for each month. The drought reading is NOAA's Palmer index for the county.

Month by month in Foster County

MonthUsual high / lowUsual rainWarmestColdest
January18° / -1°0.5 in25.0° 2006-13.5° 1950
February23° / 3°0.4 in27.6° 1954-15.0° 1936
March35° / 16°0.7 in39.8° 19107.0° 1899
April52° / 29°1.1 in51.1° 190028.6° 2013
May66° / 41°2.7 in64.2° 197744.6° 1907
June76° / 53°3.4 in72.9° 198856.5° 1915
July81° / 57°3.5 in79.8° 193662.0° 1992
August80° / 54°2.4 in74.0° 198360.1° 1911
September71° / 45°2.0 in64.0° 202445.5° 1965
October54° / 32°1.6 in54.9° 196331.6° 1917
November36° / 18°0.6 in39.3° 20166.4° 1896
December23° / 6°0.6 in25.7° 2023-3.0° 1927

Warmest and coldest are the month's whole-month average temperature, with the year it happened.

Towns in Foster County

Nearby counties