Hardin

The official National Weather Service forecast for Hardin — 45.7325°N, 107.612°W, 1.3 miles from I-90.

12,751

County population

Big Horn

County

I-90

1.3 mi to the Interstate

43 mi

E of Billings

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Hardin Climate Normals

Guide · 1996–2025

Big Horn County	J	F	M	A	M	J	J	A	S	O	N	D	Year
Avg high °F	35	36	47	56	65	76	87	85	74	59	46	36	58
Avg low °F	13	14	23	31	40	49	56	54	45	33	23	14	33
Precip in	0.7	0.8	1.0	1.8	2.9	2.1	1.1	1.0	1.4	1.6	0.7	0.8	15.9

1996–2025 normals for Big Horn County — the climate division Hardin sits in. All-time county record high 106.1°F (2026-07-13); record low -38.9°F (1983-12-24). Source: NOAA / National Weather Service.

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Big Horn County Climate

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