Great Mills, MD Current Weather Conditions

Current weather observations and 72-hour history for Great Mills, MD. • View 5-Day Forecast ›

▼Current Conditions — Great Mills, MD

ST MARYS (DUKE) (K2W6)

Cloudy

73.9 F

Humidity:	97%
Wind Speed:	0.0 mph
Barometer:	29.93 in
Dewpoint:	73.0 F
Visibility:	NULL mi
Precip:	--
Heat Index:	75.6 F
Wind Chill:	NA

Jun 28 2026, 04:15 AM EDT

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▼Hourly Observation History — Great Mills, MD

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)
04:15 AM EDT	0.0	NULL	Cloudy	--	73.9	73.0	97%	NA	75.6	29.93	1013.5
03:55 AM EDT	0.0	NULL	Cloudy	--	73.9	72.9	96%	NA	75.6	29.94	1013.6
03:35 AM EDT	0.0	NULL	Cloudy	--	73.9	73.0	97%	NA	75.6	29.94	1013.6
03:15 AM EDT	0.0	NULL	Cloudy	--	73.8	72.9	97%	NA	75.4	29.94	1013.6
02:55 AM EDT	0.0	NULL	Cloudy	--	74.1	72.9	96%	NA	75.7	29.94	1013.6
02:35 AM EDT	0.0	NULL	Cloudy	--	73.9	72.7	96%	NA	75.6	29.94	1013.6
02:15 AM EDT	W 3.4	NULL	Cloudy	--	73.9	72.5	95%	NA	75.6	29.94	1013.6
01:55 AM EDT	0.0	NULL	Cloudy	--	74.3	72.5	94%	NA	75.9	29.94	1013.6
01:35 AM EDT	3.4	NULL	Cloudy	--	74.3	72.5	94%	NA	75.9	29.94	1013.9
01:15 AM EDT	0.0	NULL	Mostly Cloudy	--	73.8	72.5	96%	NA	75.4	29.95	1014.2
12:55 AM EDT	4.7	NULL	Partly Cloudy	--	73.8	72.3	95%	NA	75.4	29.95	1014.2
12:35 AM EDT	W 4.7	NULL	Mostly Cloudy	--	74.1	72.5	95%	NA	75.7	29.96	1014.6
12:15 AM EDT	3.4	NULL	Cloudy	--	75.2	72.9	92%	NA	76.8	29.96	1014.6
11:55 PM EDT	3.4	NULL	Cloudy	--	75.2	73.9	96%	NA	77.0	29.96	1014.6
11:35 PM EDT	0.0	NULL	Cloudy	--	75.0	74.1	97%	NA	76.8	29.96	1014.6
11:15 PM EDT	0.0	NULL	Cloudy	--	75.4	74.1	96%	NA	77.2	29.96	1014.6
10:55 PM EDT	0.0	NULL	Partly Cloudy	--	75.9	74.1	94%	NA	77.7	29.96	1014.6
10:35 PM EDT	NW 3.4	NULL	Mostly Cloudy	--	75.4	73.4	94%	NA	77.0	29.96	1014.6
10:15 PM EDT	0.0	NULL	Cloudy	--	75.7	73.4	92%	NA	77.4	29.96	1014.6
09:55 PM EDT	0.0	NULL	Cloudy	--	75.6	73.6	94%	NA	77.2	29.96	1014.6
09:35 PM EDT	0.0	NULL	Cloudy	--	76.3	73.6	91%	NA	77.9	29.96	1014.6
09:15 PM EDT		NULL	Mostly Cloudy	--	NULL		%	NA	NA		M
08:55 PM EDT	0.0	NULL	Cloudy	--	76.3	73.6	91%	NA	77.9	29.96	1014.6
08:35 PM EDT	0.0	NULL	Cloudy	--	76.6	73.8	91%	NA	78.3	29.96	1014.6
08:15 PM EDT	0.0	NULL	Cloudy	--	76.6	73.4	90%	NA	78.3	29.96	1014.6
07:55 PM EDT	0.0	NULL	Mostly Cloudy	--	76.6	73.4	90%	NA	78.3	29.95	1014.2
07:35 PM EDT	0.0	NULL	Mostly Cloudy	--	77.5	72.7	85%	NA	79.0	29.96	1014.6
07:15 PM EDT	0.0	NULL	Cloudy	--	78.1	71.8	81%	NA	79.3	29.96	1014.6
06:55 PM EDT	0.0	NULL	Cloudy	--	77.7	72.9	85%	NA	79.2	29.95	1014.2
06:35 PM EDT	0.0	NULL	Cloudy	--	79.3	72.5	80%	NA	82.8	29.95	1014.2
05:55 PM EDT	0.0	NULL	Cloudy	--	79.9	70.5	73%	NA	83.1	29.96	1014.6
05:35 PM EDT	0.0	NULL	Cloudy	--	80.1	70.0	71%	NA	83.3	29.96	1014.6
05:15 PM EDT	0.0	NULL	Cloudy	--	81.1	69.3	67%	NA	84.4	29.97	1014.9
04:55 PM EDT	W 4.7	NULL	Mostly Cloudy	--	82.9	69.1	63%	NA	86.5	29.97	1014.9
04:35 PM EDT	3.4	NULL	Mostly Cloudy	--	82.4	70.3	67%	NA	86.5	29.98	1015.2
04:15 PM EDT	3.4	NULL	Mostly Cloudy	--	82.6	70.3	67%	NA	86.7	29.98	1015.2
03:55 PM EDT	0.0	NULL	Mostly Cloudy	--	83.3	72.7	70%	NA	89.1	29.97	1014.9
03:35 PM EDT	5.8	NULL	NULL	--	83.8	72.7	69%	NA	90.0	29.97	1014.9
03:15 PM EDT		NULL	Mostly Cloudy	--	NULL		%	NA	NA		M
02:55 PM EDT	0.0	NULL	Mostly Cloudy	--	83.5	73.6	72%	NA	90.0	29.98	1015.2
02:35 PM EDT	SW 6.9	NULL	Mostly Cloudy	--	83.1	73.6	73%	NA	89.4	29.99	1015.6
02:15 PM EDT	0.0	NULL	Mostly Cloudy	--	82.9	73.6	73%	NA	89.2	29.99	1015.6
01:55 PM EDT	4.7	NULL	Mostly Cloudy	--	82.4	73.2	74%	NA	88.2	30.00	1015.9
01:35 PM EDT	SW 6.9	NULL	Mostly Cloudy	--	82.2	73.6	75%	NA	88.2	30.01	1016.3
01:15 PM EDT	SW 5.7	NULL	Mostly Cloudy	--	82.6	74.5	77%	NA	89.2	30.01	1016.3
12:55 PM EDT	0.0	NULL	Mostly Cloudy	--	80.2	73.9	81%	NA	84.9	30.02	1016.6
12:35 PM EDT	W 4.7	NULL	Partly Cloudy	--	80.1	73.9	82%	NA	84.6	30.02	1016.6
12:15 PM EDT	W 6.9	NULL	Mostly Cloudy	--	79.5	73.6	82%	NA	83.5	30.03	1016.9
11:55 AM EDT	W 6.9	NULL	Cloudy	--	78.6	73.9	86%	NA	81.7	30.04	1017.3
11:35 AM EDT	5.8	NULL	Cloudy	--	79.0	74.3	86%	NA	82.6	30.04	1017.3
11:15 AM EDT	5.7	NULL	Cloudy	--	79.9	74.3	83%	NA	84.4	30.04	1017.3
10:55 AM EDT	3.4	NULL	Mostly Cloudy	--	78.4	73.9	86%	NA	81.3	30.04	1017.3
10:35 AM EDT	SW 5.8	NULL	Mostly Cloudy	--	78.3	73.2	85%	NA	79.7	30.03	1016.9
10:15 AM EDT	W 5.8	NULL	Mostly Cloudy	--	77.7	73.2	86%	NA	79.2	30.03	1016.9
09:55 AM EDT	4.7	NULL	Partly Cloudy	--	78.3	73.6	86%	NA	79.9	30.03	1016.9
09:35 AM EDT	5.8	NULL	Partly Cloudy	--	77.7	73.6	87%	NA	79.3	30.03	1016.9
09:15 AM EDT	4.6	NULL	Mostly Clear	--	77.4	73.9	89%	NA	79.0	30.03	1016.9
08:55 AM EDT	SW 6.9	NULL	Partly Cloudy	--	77.2	74.1	90%	NA	78.8	30.03	1016.9
08:35 AM EDT	0.0	NULL	Mostly Cloudy	--	76.1	73.9	93%	NA	77.7	30.03	1016.9
08:15 AM EDT		NULL	Mostly Cloudy	--	NULL		%	NA	NA		M
07:55 AM EDT	0.0	NULL	Mostly Cloudy	--	73.4	73.4	100%	NA	75.2	30.03	1016.9
07:35 AM EDT	0.0	NULL	NULL	--	73.0	73.0	100%	NA	74.7	30.03	1016.9
07:15 AM EDT		NULL	Mostly Cloudy	--	NULL		%	NA	NA		M
06:55 AM EDT	0.0	NULL	Cloudy	--	72.0	72.0	100%	NA	73.6	30.03	1016.9
06:35 AM EDT	0.0	NULL	Cloudy	--	70.9	70.9	100%	NA	72.3	30.03	1016.9
06:15 AM EDT	0.0	NULL	Cloudy	--	70.5	70.5	100%	NA	72.0	30.03	1016.9
05:55 AM EDT	0.0	NULL	Cloudy	--	70.0	70.0	100%	NA	NA	30.03	1016.9
05:35 AM EDT	0.0	NULL	Cloudy	--	70.2	70.2	100%	NA	71.6	30.03	1016.9
05:15 AM EDT		NULL	Cloudy	--	NULL		%	NA	NA		M
04:55 AM EDT	0.0	NULL	Partly Cloudy	--	70.0	70.0	100%	NA	NA	30.02	1016.6
04:35 AM EDT	0.0	NULL	Clear	--	69.8	69.8	100%	NA	NA	30.02	1016.6
04:15 AM EDT	0.0	NULL	Partly Cloudy	--	70.5	70.5	100%	NA	72.0	30.03	1016.9