Grass Lake, MI Current Weather Conditions

Current weather observations and 72-hour history for Grass Lake, MI. • View 5-Day Forecast ›

▼Current Conditions — Grass Lake, MI

MASON (KTEW)

Clear

39.9 F

Humidity:	87%
Wind Speed:	0.0 mph
Barometer:	30.38 in
Dewpoint:	36.3 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Oct 20 2026, 01:55 AM EDT

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▼Hourly Observation History — Grass Lake, MI

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
01:55 AM EDT	0.0	10.00	Clear	--	39.9	36.3	87%	NA	NA	30.38	1028.5
01:35 AM EDT	0.0	10.00	Clear	--	38.7	35.2	87%	NA	NA	30.38	1028.5
01:15 AM EDT	0.0	10.00	Clear	--	40.3	36.0	84%	NA	NA	30.38	1028.5
12:55 AM EDT	0.0	10.00	Clear	--	39.7	36.0	86%	NA	NA	30.38	1028.5
11:35 PM EDT	0.0	10.00	Clear	--	40.6	36.5	85%	NA	NA	30.38	1028.5
02:35 PM EDT	W 5.8	10.00	Clear	--	66.7		%	NA	NA	30.38	1028.5
02:15 PM EDT		10.00	Clear	--	NULL		%	NA	NA		M
01:55 PM EDT	0.0	10.00	Clear	--	65.5		%	NA	NA	30.38	1028.8
01:35 PM EDT	0.0	10.00	Clear	--	65.3		%	NA	NA	30.39	1029.1
01:15 PM EDT		10.00	Clear	--	NULL		%	NA	NA		M
12:55 PM EDT	0.0	10.00	Clear	--	64.0		%	NA	NA	30.41	1029.8
12:35 PM EDT	0.0	10.00	Clear	--	63.0		%	NA	NA	30.42	1030.1
12:15 PM EDT		10.00	Clear	--	NULL		%	NA	NA		M
11:55 AM EDT	W 6.9	10.00	Clear	--	61.9	38.1	41%	NA	NA	30.42	1030.1
11:35 AM EDT	0.0	10.00	NULL	--	60.8	39.6	45%	NA	NA	30.43	1030.5
11:15 AM EDT	0.0	10.00	Clear	--	59.0	39.6	48%	NA	NA	30.43	1030.5
10:55 AM EDT	W 3.4	10.00	Clear	--	NULL	39.0	%	NA	NA	30.43	1030.5
10:35 AM EDT	0.0	10.00	Clear	--	NULL	37.8	%	NA	NA	30.43	1030.5
10:15 AM EDT	3.4	10.00	Clear	--	NULL	36.5	%	NA	NA	30.43	1030.5
09:55 AM EDT	0.0	10.00	NULL	--	NULL	34.7	%	NA	NA	30.43	1030.5
09:35 AM EDT	0.0	10.00	Clear	--	NULL	35.4	%	NA	NA	30.43	1030.5
09:15 AM EDT	0.0	10.00	Clear	--	NULL	35.4	%	NA	NA	30.42	1030.1
08:55 AM EDT	0.0	10.00	Clear	--	41.5	33.6	73%	NA	NA	30.42	1030.1
08:35 AM EDT	S 3.4	10.00	Clear	--	39.6	32.0	74%	37.4	NA	30.42	1030.1
08:15 AM EDT	S 4.7	10.00	Clear	--	39.0	32.0	76%	35.6	NA	30.41	1029.8
07:55 AM EDT	S 5.8	10.00	Clear	--	37.2	32.0	81%	32.5	NA	30.41	1029.8
07:35 AM EDT	0.0	10.00	Clear	--	36.1	31.5	83%	NA	NA	30.42	1030.1
07:15 AM EDT	0.0	10.00	Clear	--	37.6	31.3	78%	NA	NA	30.42	1030.1
06:55 AM EDT	S 3.4	10.00	Clear	--	37.8	32.0	80%	35.4	NA	30.42	1030.1
06:35 AM EDT	S 4.7	10.00	Clear	--	36.5	32.5	85%	32.5	NA	30.42	1030.1
06:15 AM EDT		10.00	Clear	--	NULL		%	NA	NA		M
05:55 AM EDT	0.0	10.00	Clear	--	36.9	32.2	83%	NA	NA	30.42	1030.1
05:35 AM EDT	0.0	10.00	Clear	--	36.3	32.0	84%	NA	NA	30.41	1029.8
05:15 AM EDT	0.0	10.00	Clear	--	37.2	32.2	82%	NA	NA	30.41	1029.8
04:35 AM EDT	0.0	10.00	Clear	--	38.7	32.0	77%	NA	NA	30.40	1029.5
04:15 AM EDT	0.0	10.00	Clear	--	39.4	32.0	75%	NA	NA	30.40	1029.5
03:55 AM EDT	0.0	10.00	Clear	--	40.5	31.8	71%	NA	NA	30.40	1029.5
03:35 AM EDT	0.0	10.00	Clear	--	42.8	31.3	64%	NA	NA	30.40	1029.5
03:15 AM EDT	0.0	10.00	Clear	--	41.4	31.5	68%	NA	NA	30.40	1029.5
02:55 AM EDT	3.4	10.00	Clear	--	42.6	31.5	64%	41.0	NA	30.39	1029.1
02:35 AM EDT	S 4.7	10.00	Clear	--	46.4	30.9	55%	44.2	NA	30.38	1028.8
02:15 AM EDT	0.0	10.00	Clear	--	46.4	31.1	55%	NA	NA	30.38	1028.8
01:55 AM EDT	S 4.7	10.00	Clear	--	45.5	31.8	59%	43.2	NA	30.38	1028.8
01:35 AM EDT	S 4.7	10.00	Clear	--	46.4	31.6	56%	44.2	NA	30.38	1028.8
01:15 AM EDT		10.00	Clear	--	NULL		%	NA	NA		M
12:55 AM EDT	4.7	10.00	Clear	--	47.7	31.8	54%	45.7	NA	30.39	1029.1
12:35 AM EDT	3.4	10.00	Clear	--	48.7	31.8	52%	48.0	NA	30.39	1029.1
12:15 AM EDT	4.7	10.00	Clear	--	48.9	32.0	52%	47.1	NA	30.39	1029.1
11:55 PM EDT	5.8	10.00	Clear	--	48.9	32.0	52%	46.4	NA	30.39	1029.1
11:35 PM EDT	S 5.8	10.00	Clear	--	49.3	32.2	52%	46.9	NA	30.38	1028.8
11:15 PM EDT	4.7	10.00	Clear	--	50.2	32.2	50%	NA	NA	30.39	1029.1
10:55 PM EDT	0.0	10.00	Clear	--	49.8	32.7	52%	NA	NA	30.38	1028.8
10:35 PM EDT	0.0	10.00	NULL	--	49.6	32.9	52%	NA	NA	30.39	1029.1
10:15 PM EDT	S 3.4	10.00	Clear	--	49.8	32.9	52%	49.1	NA	30.40	1029.5
09:35 PM EDT	0.0	10.00	Clear	--	51.1	32.7	49%	NA	NA	30.40	1029.5
09:15 PM EDT		10.00	Clear	--	NULL		%	NA	NA		M
08:55 PM EDT	0.0	10.00	Clear	--	48.9	33.1	54%	NA	NA	30.41	1029.8
08:35 PM EDT	0.0	10.00	Clear	--	51.1	32.9	50%	NA	NA	30.41	1029.8
08:15 PM EDT		10.00	Clear	--	NULL		%	NA	NA		M
07:55 PM EDT	0.0	10.00	NULL	--	51.6	33.1	49%	NA	NA	30.40	1029.5
07:35 PM EDT	0.0	5.00	Haze	--	52.2	32.5	47%	NA	NA	30.40	1029.5
07:15 PM EDT	0.0	3.00	Haze	--	54.9	32.0	42%	NA	NA	30.40	1029.5
06:55 PM EDT	0.0	2.50	Haze	--	57.9		%	NA	NA	30.39	1029.1
06:35 PM EDT	0.0	10.00	Clear	--	59.4		%	NA	NA	30.39	1029.1
06:15 PM EDT		10.00	Clear	--	NULL		%	NA	NA		M
05:55 PM EDT	SW 4.7	10.00	Clear	--	62.1		%	NA	NA	30.39	1029.1
05:35 PM EDT	4.7	10.00	NULL	--	63.0		%	NA	NA	30.39	1029.1
05:15 PM EDT	SW 6.9	10.00	NULL	--	63.5	27.0	25%	NA	NA	30.39	1029.1
04:55 PM EDT	SW 5.8	10.00	NULL	--	63.5		%	NA	NA	30.39	1029.1
04:35 PM EDT	6.9	10.00	Clear	--	63.7		%	NA	NA	30.39	1029.1
04:15 PM EDT	SW 5.8 G 9.2	10.00	Clear	--	63.7		%	NA	NA	30.40	1029.5
03:55 PM EDT	S 5.8	10.00	Clear	--	63.5		%	NA	NA	30.40	1029.5