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

55.4 F

Humidity:	70%
Wind Speed:	E 15.0 G 20.8 mph
Barometer:	30.31 in
Dewpoint:	45.7 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Sep 22 2026, 10:15 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)
10:15 AM EDT	E 15.0 G 20.8	10.00	Clear	--	55.4	45.7	70%	NA	NA	30.31	1026.4
09:55 AM EDT	11.4 G 21.9	10.00	Clear	--	54.5	45.5	72%	NA	NA	30.30	1026.1
09:35 AM EDT	12.8 G 21.9	10.00	Clear	--	53.2	45.7	75%	NA	NA	30.29	1025.7
09:15 AM EDT	10.3 G 16.1	10.00	Clear	--	51.8	45.5	79%	NA	NA	30.29	1025.7
08:55 AM EDT	10.3 G 16.1	10.00	Clear	--	50.2	45.0	82%	NA	NA	30.29	1025.7
08:35 AM EDT	NE 8.1	10.00	Clear	--	48.7	44.1	84%	45.1	NA	30.29	1025.7
08:15 AM EDT	NE 5.8	10.00	NULL	--	46.6	43.2	88%	43.7	NA	30.28	1025.4
07:55 AM EDT	5.8	10.00	Clear	--	45.3	42.3	89%	42.3	NA	30.28	1025.4
07:35 AM EDT	4.7	10.00	Clear	--	44.8	41.7	89%	42.3	NA	30.28	1025.4
07:15 AM EDT	3.4	10.00	NULL	--	45.5	42.1	88%	44.2	NA	30.27	1025.1
06:55 AM EDT	NE 4.7	10.00	Clear	--	45.9	42.4	88%	43.5	NA	30.27	1025.1
06:35 AM EDT	NE 4.7	10.00	Clear	--	45.7	42.4	88%	43.3	NA	30.27	1025.1
06:15 AM EDT	NE 4.7	10.00	Clear	--	45.5	41.9	87%	43.2	NA	30.26	1024.7
05:55 AM EDT	NE 3.4	10.00	Clear	--	45.5	42.3	88%	44.2	NA	30.25	1024.4
05:35 AM EDT	NE 3.4	10.00	Clear	--	45.3	42.3	89%	44.1	NA	30.25	1024.4
05:15 AM EDT	NE 3.4	10.00	Clear	--	45.5	42.4	89%	44.2	NA	30.25	1024.4
04:55 AM EDT	3.4	10.00	Clear	--	45.5	42.8	90%	44.2	NA	30.25	1024.1
04:35 AM EDT	NE 3.4	10.00	Clear	--	45.5	42.8	90%	44.2	NA	30.25	1024.4
04:15 AM EDT	3.4	10.00	Clear	--	45.7	42.8	90%	44.4	NA	30.25	1024.4
03:55 AM EDT	0.0	10.00	Clear	--	46.0	43.0	89%	NA	NA	30.25	1024.4
03:35 AM EDT	3.4	10.00	Clear	--	46.4	43.2	88%	45.3	NA	30.25	1024.4
03:15 AM EDT	NE 3.4	10.00	Clear	--	46.0	43.0	89%	44.8	NA	30.25	1024.4
02:55 AM EDT	NE 3.4	10.00	Clear	--	45.9	42.8	89%	44.6	NA	30.25	1024.4
02:35 AM EDT		10.00	Clear	--	NULL		%	NA	NA		M
02:15 AM EDT	3.4	10.00	Clear	--	46.4	43.0	88%	45.3	NA	30.26	1024.7
01:55 AM EDT	0.0	10.00	Clear	--	46.6	43.2	88%	NA	NA	30.26	1024.7
01:35 AM EDT	3.4	10.00	Clear	--	46.6	43.0	87%	45.5	NA	30.25	1024.4
01:15 AM EDT	3.4	10.00	Clear	--	46.9	43.2	87%	45.9	NA	30.25	1024.4
12:55 AM EDT	5.8	10.00	Clear	--	47.7	43.3	85%	45.0	NA	30.25	1024.1
12:35 AM EDT	5.8	10.00	Clear	--	48.2	43.2	83%	45.7	NA	30.25	1024.1
12:15 AM EDT	5.8	10.00	Clear	--	48.2	43.2	83%	45.7	NA	30.25	1024.1
11:55 PM EDT	4.7	10.00	Clear	--	48.4	43.5	83%	46.6	NA	30.25	1024.1
11:35 PM EDT	4.7	10.00	Clear	--	48.4	43.3	83%	46.6	NA	30.25	1024.4
11:15 PM EDT	3.4	10.00	Clear	--	48.6	43.2	82%	47.7	NA	30.25	1024.4
10:55 PM EDT	4.7	10.00	Clear	--	49.1	43.0	79%	47.3	NA	30.25	1024.4
10:35 PM EDT	4.7	10.00	Clear	--	49.1	43.2	80%	47.3	NA	30.25	1024.1
10:15 PM EDT	5.8	10.00	Clear	--	49.6	43.5	79%	47.3	NA	30.25	1024.1
09:55 PM EDT	4.7	10.00	Clear	--	50.2	43.7	78%	NA	NA	30.23	1023.7
09:35 PM EDT	4.7	10.00	Clear	--	50.4	43.7	78%	NA	NA	30.23	1023.7
09:15 PM EDT	5.8	10.00	Clear	--	51.4	43.7	75%	NA	NA	30.22	1023.4
08:55 PM EDT	5.8	10.00	Partly Cloudy	--	51.3	44.1	76%	NA	NA	30.21	1023.0
08:35 PM EDT	4.7	10.00	Partly Cloudy	--	52.0	43.9	74%	NA	NA	30.20	1022.7
08:15 PM EDT	5.8	10.00	Clear	--	53.1	44.2	72%	NA	NA	30.20	1022.7
07:55 PM EDT	5.8	10.00	Clear	--	54.3	44.2	69%	NA	NA	30.19	1022.4
07:35 PM EDT	NE 6.9	10.00	Partly Cloudy	--	55.4	44.6	67%	NA	NA	30.19	1022.4
07:15 PM EDT	NE 8.1	10.00	Mostly Cloudy	--	56.7	45.1	65%	NA	NA	30.19	1022.4
06:55 PM EDT	NE 10.3	10.00	Cloudy	--	57.4	46.0	66%	NA	NA	30.18	1022.0
06:35 PM EDT	NE 12.8	10.00	Mostly Cloudy	--	59.2	45.9	61%	NA	NA	30.18	1022.0
06:15 PM EDT	NE 11.4 G 17.2	10.00	Partly Cloudy	--	60.8	46.9	60%	NA	NA	30.18	1022.0
05:55 PM EDT	NE 12.8 G 20.8	10.00	Partly Cloudy	--	59.7	46.2	61%	NA	NA	30.17	1021.7
05:35 PM EDT	NE 9.2	10.00	Partly Cloudy	--	60.4	46.8	61%	NA	NA	30.17	1021.7
05:15 PM EDT	NE 10.3	10.00	Partly Cloudy	--	60.3	46.8	61%	NA	NA	30.18	1022.0
04:55 PM EDT	NE 10.3	10.00	Mostly Cloudy	--	59.9	46.4	61%	NA	NA	30.18	1022.0
04:35 PM EDT	NE 10.3	10.00	Cloudy	--	60.3	46.8	61%	NA	NA	30.19	1022.4
04:15 PM EDT	13.9 G 17.2	10.00	Cloudy	--	61.2	46.9	59%	NA	NA	30.19	1022.4
03:55 PM EDT	11.4 G 16.1	10.00	Mostly Cloudy	--	61.7	47.5	60%	NA	NA	30.18	1022.0
03:35 PM EDT	12.8 G 18.3	10.00	Mostly Cloudy	--	62.2	47.5	58%	NA	NA	30.18	1022.0
02:35 PM EDT	NE 11.4 G 18.3	10.00	Cloudy	--	60.4	46.8	61%	NA	NA	30.17	1021.7
02:15 PM EDT	NE 11.4	10.00	Cloudy	--	60.8	47.3	61%	NA	NA	30.18	1022.0
01:55 PM EDT	10.3	10.00	Cloudy	--	60.1	46.9	62%	NA	NA	30.19	1022.4
01:35 PM EDT	10.3	10.00	Cloudy	--	59.9	47.3	63%	NA	NA	30.19	1022.4
01:15 PM EDT	NE 12.8 G 16.1	10.00	Cloudy	--	59.5	46.9	63%	NA	NA	30.19	1022.4
12:55 PM EDT	NE 8.1 G 19.7	10.00	Cloudy	--	59.5	47.3	64%	NA	NA	30.19	1022.4
12:35 PM EDT	12.8 G 18.3	10.00	Mostly Cloudy	--	60.1	48.0	64%	NA	NA	30.19	1022.4
12:15 PM EDT	12.8 G 18.3	10.00	NULL	--	59.5	48.0	66%	NA	NA	30.20	1022.7
11:55 AM EDT	NE 13.9	NULL	NULL	--	NULL		%	NA	NA	30.19	1022.4
11:15 AM EDT	15.0	10.00	NULL	--	58.3	47.5	67%	NA	NA	30.20	1022.7
10:55 AM EDT	NE 13.9	NULL	NULL	--	58.1	47.7	68%	NA	NA	30.19	1022.4
10:35 AM EDT	NE 13.9	NULL	NULL	--	56.8	47.1	70%	NA	NA	30.19	1022.4
10:15 AM EDT	12.8	NULL	NULL	--	56.5	47.5	72%	NA	NA	30.19	1022.4
09:35 AM EDT	NE 12.8	NULL	NULL	--	55.9	48.4	76%	NA	NA	30.19	1022.4
09:15 AM EDT	NE 9.2	NULL	NULL	--	55.2	48.6	78%	NA	NA	30.19	1022.4