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

70.3 F

Humidity:	88%
Wind Speed:	0.0 mph
Barometer:	29.95 in
Dewpoint:	66.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	71.2 F
Wind Chill:	NA

Sep 1 2026, 05:15 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)
05:15 AM EDT	0.0	10.00	Clear	--	70.3	66.6	88%	NA	71.2	29.95	1014.2
04:55 AM EDT	0.0	10.00	Clear	--	71.1	67.3	88%	NA	72.0	29.95	1014.2
04:35 AM EDT	0.0	10.00	Clear	--	70.9	66.9	87%	NA	71.8	29.95	1014.2
04:15 AM EDT	0.0	10.00	Clear	--	71.6	67.5	87%	NA	72.5	29.95	1014.2
03:55 AM EDT	0.0	10.00	Clear	--	72.5	68.0	86%	NA	73.4	29.95	1014.2
03:35 AM EDT	0.0	10.00	Clear	--	72.7	68.0	85%	NA	73.6	29.95	1014.2
03:15 AM EDT	0.0	10.00	Clear	--	73.0	68.2	85%	NA	73.9	29.95	1014.2
02:55 AM EDT	0.0	10.00	Clear	--	73.8	68.5	84%	NA	74.8	29.95	1014.2
02:35 AM EDT	0.0	10.00	Clear	--	74.5	68.4	81%	NA	75.4	29.95	1014.2
02:15 AM EDT	0.0	10.00	Clear	--	74.8	68.5	81%	NA	75.7	29.95	1014.2
01:55 AM EDT	0.0	10.00	Clear	--	74.5	68.9	83%	NA	75.6	29.95	1014.2
01:35 AM EDT	0.0	10.00	Clear	--	73.4	68.5	85%	NA	74.5	29.95	1014.2
01:15 AM EDT	0.0	10.00	Clear	--	72.5	68.7	88%	NA	73.6	29.96	1014.6
12:55 AM EDT	0.0	10.00	Clear	--	73.4	68.9	86%	NA	74.5	29.95	1014.2
12:35 AM EDT	0.0	10.00	Clear	--	74.3	69.1	84%	NA	75.4	29.95	1014.2
12:15 AM EDT	0.0	10.00	Clear	--	74.7	69.1	83%	NA	75.7	29.95	1014.2
11:55 PM EDT	0.0	10.00	Clear	--	74.7	68.9	82%	NA	75.7	29.95	1014.2
11:35 PM EDT	0.0	10.00	Clear	--	74.3	68.9	83%	NA	75.4	29.95	1014.2
11:15 PM EDT	0.0	10.00	Clear	--	73.6	68.5	84%	NA	74.7	29.95	1014.2
10:55 PM EDT	0.0	10.00	Clear	--	73.4	68.0	83%	NA	74.3	29.96	1014.6
10:35 PM EDT	0.0	10.00	Clear	--	73.0	67.8	84%	NA	73.9	29.97	1014.9
10:15 PM EDT	S 3.4	10.00	Clear	--	73.0	67.6	83%	NA	73.9	29.96	1014.6
09:55 PM EDT	0.0	10.00	Clear	--	73.4	67.6	82%	NA	74.3	29.96	1014.6
09:35 PM EDT	0.0	10.00	Clear	--	74.3	67.5	79%	NA	75.2	29.96	1014.6
09:15 PM EDT	0.0	10.00	NULL	--	74.7	67.3	78%	NA	75.6	29.96	1014.6
08:55 PM EDT	0.0	10.00	Clear	--	74.7	67.1	77%	NA	75.4	29.95	1014.2
08:35 PM EDT	S 3.4	10.00	Clear	--	74.5	67.1	78%	NA	75.2	29.94	1013.6
08:15 PM EDT	S 5.8	10.00	Clear	--	74.5	66.6	76%	NA	75.2	29.94	1013.9
07:55 PM EDT	S 4.7	10.00	Clear	--	74.5	66.2	75%	NA	75.2	29.94	1013.9
07:35 PM EDT	S 9.2	10.00	Clear	--	74.5	65.7	74%	NA	75.0	29.94	1013.6
07:15 PM EDT	S 6.9	10.00	Clear	--	74.7	64.9	72%	NA	75.2	29.94	1013.6
06:55 PM EDT	S 10.3 G 16.1	10.00	Partly Cloudy	--	75.2	64.4	69%	NA	75.7	29.94	1013.9
06:35 PM EDT	S 6.9	10.00	Cloudy	--	75.9	64.0	67%	NA	76.3	29.95	1014.2
06:15 PM EDT	S 8.1	10.00	Cloudy	--	75.4	64.4	69%	NA	75.9	29.95	1014.2
05:55 PM EDT	8.1	10.00	Mostly Cloudy	--	75.2	64.6	70%	NA	75.7	29.95	1014.2
05:35 PM EDT	9.2	10.00	Cloudy	--	74.8	64.6	70%	NA	75.4	29.96	1014.6
05:15 PM EDT	S 6.9	10.00	Mostly Cloudy	--	73.4	64.4	73%	NA	73.9	29.97	1014.9
04:55 PM EDT	S 6.9	10.00	Light Rain	--	73.6	66.0	77%	NA	74.3	29.97	1014.9
04:35 PM EDT	0.0	10.00	Light Rain	--	74.3	66.0	75%	NA	75.0	29.99	1015.6
04:16 PM EDT		NULL	NULL	--	NULL		%	NA	NA	29.99	1015.6
11:55 AM EDT	0.0	10.00	Clear	--	75.9	66.9	74%	NA	76.6	30.06	1018.0
11:35 AM EDT	0.0	10.00	Clear	--	74.7	67.5	78%	NA	75.6	30.06	1018.0
11:15 AM EDT	0.0	10.00	Clear	--	73.9	67.3	80%	NA	74.8	30.05	1017.6
10:55 AM EDT	0.0	10.00	Light Rain	--	73.8	66.7	79%	NA	74.5	30.05	1017.6
10:35 AM EDT	3.4	10.00	Light Rain	--	75.9	65.5	70%	NA	76.5	30.04	1017.3
10:15 AM EDT	SW 5.8	10.00	Clear	--	76.1	65.8	71%	NA	76.6	30.04	1017.3
09:55 AM EDT	SW 3.4	10.00	Partly Cloudy	--	74.7	66.4	75%	NA	75.4	30.04	1017.3
09:35 AM EDT	0.0	10.00	Cloudy	--	72.7	65.5	78%	NA	73.4	30.04	1017.3
09:15 AM EDT	0.0	10.00	Partly Cloudy	--	72.5	65.3	78%	NA	73.0	30.03	1016.9
08:55 AM EDT	0.0	10.00	Clear	--	72.3	65.1	78%	NA	72.9	30.02	1016.6
08:35 AM EDT	0.0	10.00	Clear	--	71.4	64.8	80%	NA	72.0	30.01	1016.3
08:15 AM EDT	0.0	10.00	Clear	--	70.7	64.9	82%	NA	71.2	30.01	1016.3
07:55 AM EDT	0.0	10.00	Clear	--	70.2	64.4	82%	NA	70.7	30.01	1016.3
07:35 AM EDT	0.0	10.00	Clear	--	70.2	64.4	82%	NA	70.7	30.01	1016.3
07:15 AM EDT	0.0	10.00	Clear	--	70.0	64.4	82%	NA	NA	30.01	1016.3
06:55 AM EDT	0.0	10.00	Partly Cloudy	--	69.6	64.4	84%	NA	NA	30.01	1016.3
06:35 AM EDT	0.0	10.00	Mostly Cloudy	--	70.2	64.4	82%	NA	70.7	30.01	1016.3
06:15 AM EDT	0.0	10.00	Mostly Cloudy	--	70.0	64.6	83%	NA	NA	30.01	1016.3
05:55 AM EDT	0.0	10.00	Mostly Cloudy	--	70.0	64.6	83%	NA	NA	30.01	1016.3
05:35 AM EDT	0.0	10.00	Mostly Cloudy	--	70.2	64.6	82%	NA	70.7	30.01	1016.3
05:15 AM EDT	0.0	10.00	Partly Cloudy	--	69.3	64.2	84%	NA	NA	30.01	1016.3
04:55 AM EDT	0.0	10.00	Clear	--	69.1	64.4	85%	NA	NA	30.01	1016.3
04:35 AM EDT	0.0	10.00	Clear	--	68.7	64.2	86%	NA	NA	30.00	1015.9
04:15 AM EDT	0.0	10.00	Partly Cloudy	--	69.4	64.0	83%	NA	NA	30.00	1015.9
03:55 AM EDT	0.0	10.00	Clear	--	69.8	64.0	82%	NA	NA	30.00	1015.9
03:35 AM EDT	4.7	10.00	Partly Cloudy	--	70.2	64.0	81%	NA	70.7	30.00	1015.9
03:15 AM EDT	4.7	10.00	Clear	--	70.7	63.9	79%	NA	71.2	30.01	1016.3
02:55 AM EDT	S 4.7	10.00	Partly Cloudy	--	69.4	63.7	82%	NA	NA	30.01	1016.3
02:35 AM EDT		10.00	Partly Cloudy	--	NULL		%	NA	NA		M
02:15 AM EDT	0.0	10.00	Clear	--	68.7	63.0	82%	NA	NA	30.03	1016.9
01:55 AM EDT	0.0	10.00	Partly Cloudy	--	67.8	63.3	86%	NA	NA	30.03	1016.9
01:35 AM EDT	0.0	10.00	Clear	--	67.8	63.7	87%	NA	NA	30.04	1017.3