Cottage Grove, WI Weather

Updated:  Sep-26-2026 9:18pm 
  Mostly cloudy Temperature: 55.8°F   -2.5°F/hr Humidity: 80% Dew Point: 49.7°F Wind: NNE  0 mph Gust: 0 mph Barometer: 30.14 inHg  Rising Slowly Rain Today: 0.00 in UV Index: 0.0  None

Summary This Month

Cottage Grove, WI Summary for 09/2026

Temperature (°F), Wind (MPH), Barometer (inHg), Rain (in)

	Day	TempAv	TempHi	TempLo	Rain	AvWsLo	AvWsAv	GustAv	PresAv	HumAv
	1	79.1	87.6	71.2	0.00	0	1	N	29.95	84
	2	79.1	88.3	72.6	0.00	0	1	N	29.93	80
	3	76.2	82.9	71.1	0.19	0	1	N	29.93	90
	4	75.9	86.6	69.1	0.03	0	2	N	29.93	89
	5	72.4	79.6	65.8	0.00	0	1	N	30.01	89
	6	69.2	81.3	60.9	0.00	0	0	N	30.11	84
	7	68.0	80.8	56.5	0.00	0	1	N	30.16	77
	8	68.4	78.9	60.8	0.16	0	1	N	30.08	85
	9	74.6	83.6	68.1	0.01	0	2	N	29.99	80
	10	68.7	79.0	59.9	0.00	0	0	N	30.03	70
	11	68.1	79.9	58.0	0.00	0	2	N	29.97	74
	12	69.3	79.1	62.4	0.00	0	2	N	29.88	79
	13	60.6	68.5	54.6	0.00	0	1	N	30.11	70
	14	58.6	66.7	46.2	0.00	0	1	N	30.15	75
	15	67.4	74.2	59.0	0.48	0	2	N	30.04	87
	16	64.2	74.3	57.2	0.00	0	1	N	30.31	79
	17	62.0	64.9	58.9	0.08	0	1	N	30.24	93
	18	60.8	65.6	56.9	0.09	0	1	N	30.23	93
	19	62.0	64.3	58.3	2.23	0	1	N	29.98	96
	20	59.8	64.4	54.7	0.75	1	3	N	30.06	88
	21	56.0	63.2	50.9	0.07	0	2	N	30.20	83
	22	54.0	63.7	49.4	0.03	0	1	N	30.32	82
	23	56.5	67.7	47.1	0.00	0	1	N	30.39	81
	24	59.5	70.3	49.2	0.00	0	1	N	30.35	83
	25	61.2	72.8	51.8	0.00	0	0	N	30.30	81
	26	58.0	72.4	45.7	0.00	0	0	N	30.20	78

	High	79.1	88.3	72.6	2.23	1	3	N	30.39	96
	Low 	54.0	63.2	45.7	0.00	0	0	N	29.88	70