Portsmouth, IA Current Weather Conditions

Current weather observations and 72-hour history for Portsmouth, IA. • View 5-Day Forecast ›

▼Current Conditions — Portsmouth, IA

DENISON (KDNS)

Partly Cloudy

84.2 F

Humidity:	66%
Wind Speed:	3.4 mph
Barometer:	29.89 in
Dewpoint:	71.6 F
Visibility:	NULL mi
Precip:	--
Heat Index:	89.6 F
Wind Chill:	NA

Jun 8 2026, 01:55 PM CDT

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▼Hourly Observation History — Portsmouth, IA

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 PM CDT	3.4	NULL	Partly Cloudy	--	84.2	71.6	66%	NA	89.6	29.89	1012.2
01:35 PM CDT	4.7	NULL	Mostly Clear	--	84.2	71.6	66%	NA	89.6	29.90	1012.5
01:15 PM CDT	4.7	NULL	Clear	--	82.4	71.6	70%	NA	87.3	29.90	1012.5
12:55 PM CDT	4.7	NULL	Mostly Clear	--	82.4	71.6	70%	NA	87.3	29.91	1012.9
12:35 PM CDT	SW 5.8	NULL	Mostly Clear	--	82.4	73.4	74%	NA	88.3	29.91	1012.9
12:15 PM CDT	3.4	NULL	Mostly Clear	--	80.6	73.4	79%	NA	85.3	29.91	1012.9
11:55 AM CDT	0.0	NULL	Clear	--	78.8	73.4	84%	NA	82.0	29.91	1012.9
11:35 AM CDT	0.0	NULL	Partly Cloudy	--	78.8	73.4	84%	NA	82.0	29.90	1012.5
11:15 AM CDT	3.4	NULL	NULL	--	78.8	77.0	94%	NA	82.8	29.90	1012.5
10:55 AM CDT	0.0	NULL	NULL	--	77.0	77.0	100%	NA	79.2	29.89	1012.2
10:35 AM CDT	3.4	NULL	Mostly Cloudy	--	77.0	77.0	100%	NA	79.2	29.88	1011.9
10:15 AM CDT	4.7	NULL	Mostly Cloudy	--	75.2	75.2	100%	NA	77.2	29.89	1012.2
09:55 AM CDT	5.8	NULL	NULL	--	77.0	77.0	100%	NA	79.2	29.88	1011.9
09:35 AM CDT	SW 5.8	NULL	NULL	--	73.4	73.4	100%	NA	75.2	29.89	1012.2
09:15 AM CDT	S 5.8	NULL	NULL	--	73.4	73.4	100%	NA	75.2	29.88	1011.9
08:55 AM CDT	S 8.1	NULL	Cloudy	--	73.4	73.4	100%	NA	75.2	29.88	1011.9
08:35 AM CDT	S 11.4	NULL	Cloudy	--	71.6	71.6	100%	NA	73.2	29.87	1011.5
08:15 AM CDT	G 15.0	NULL	Cloudy	--	NULL		%	NA	NA		M
07:55 AM CDT	9.2	NULL	Cloudy	--	71.6	71.6	100%	NA	73.2	29.85	1010.8
07:35 AM CDT	9.2	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.85	1010.8
07:15 AM CDT	SE 8.1	NULL	Cloudy	--	69.8	69.8	100%	NA	NA	29.84	1010.5
06:55 AM CDT	6.9	NULL	NULL	--	69.8	69.8	100%	NA	NA	29.85	1010.8
06:35 AM CDT	SE 6.9	NULL	NULL	--	69.8	69.8	100%	NA	NA	29.83	1010.2
06:15 AM CDT	SE 8.1	NULL	NULL	--	69.8	69.8	100%	NA	NA	29.82	1009.8
05:55 AM CDT	SE 9.2	NULL	NULL	--	69.8	69.8	100%	NA	NA	29.82	1009.8
05:35 AM CDT	SE 6.9	NULL	Cloudy	--	69.8	69.8	100%	NA	NA	29.81	1009.5
05:15 AM CDT	SE 6.9	NULL	NULL	--	69.8	69.8	100%	NA	NA	29.81	1009.5
04:55 AM CDT	SE 5.8	NULL	NULL	--	69.8	69.8	100%	NA	NA	29.81	1009.5
04:15 AM CDT	SE 6.9	NULL	NULL	--	68.0	68.0	100%	NA	NA	29.79	1008.8
03:55 AM CDT	SE 5.8	NULL	NULL	--	69.8	69.8	100%	NA	NA	29.81	1009.2
03:35 AM CDT	SE 4.7	NULL	Mostly Cloudy	--	69.8	69.8	100%	NA	NA	29.81	1009.2
03:15 AM CDT	6.9	NULL	Cloudy	--	71.6	71.6	100%	NA	73.2	29.81	1009.2
02:55 AM CDT	SE 5.8	NULL	Cloudy	--	69.8	69.8	100%	NA	NA	29.81	1009.5
02:35 AM CDT	SE 6.9	NULL	Cloudy	--	71.6	71.6	100%	NA	73.2	29.81	1009.2
02:15 AM CDT	SE 8.1	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.81	1009.2
01:55 AM CDT	8.1	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.81	1009.5
01:35 AM CDT	6.9	NULL	Mostly Cloudy	--	71.6	71.6	100%	NA	73.2	29.81	1009.5
01:15 AM CDT	SE 6.9	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.81	1009.5
12:55 AM CDT	SE 5.8 G 11.4	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.81	1009.5
12:35 AM CDT	SE 9.2	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.81	1009.5
12:15 AM CDT	9.2	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.82	1009.8
11:55 PM CDT	SE 6.9	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.81	1009.5
11:35 PM CDT	SE 4.7	NULL	NULL	--	69.8	69.8	100%	NA	NA	29.82	1009.8
11:15 PM CDT	SE 6.9	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.81	1009.5
10:55 PM CDT	SE 9.2 G 16.1	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.81	1009.5
10:35 PM CDT	SE 9.2	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.81	1009.2
10:15 PM CDT	G 16.1	NULL	NULL	--	NULL		%	NA	NA		M
09:55 PM CDT		NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.79	1008.8
09:35 PM CDT	SE 11.4	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.79	1008.8
09:15 PM CDT	SE 13.9 G 20.8	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.78	1008.5
08:55 PM CDT	9.2 G 17.2	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.78	1008.5
08:35 PM CDT	SE 12.8	NULL	NULL	--	73.4	73.4	100%	NA	75.2	29.77	1008.1
08:15 PM CDT	SE 12.8	NULL	NULL	--	73.4	73.4	100%	NA	75.2	29.76	1007.8
07:55 PM CDT	SE 13.9 G 20.8	NULL	NULL	--	73.4	73.4	100%	NA	75.2	29.76	1007.8
07:35 PM CDT	SE 11.4	NULL	NULL	--	73.4	73.4	100%	NA	75.2	29.77	1008.1
07:15 PM CDT	13.9	NULL	NULL	--	73.4	73.4	100%	NA	75.2	29.77	1008.1
06:55 PM CDT	11.4	NULL	NULL	--	73.4	73.4	100%	NA	75.2	29.76	1007.8
06:35 PM CDT	SE 12.8	NULL	NULL	--	73.4	73.4	100%	NA	75.2	29.76	1007.8
06:15 PM CDT	11.4 G 17.2	NULL	NULL	--	73.4	73.4	100%	NA	75.2	29.77	1008.1
05:55 PM CDT	SE 13.9 G 20.8	NULL	NULL	--	75.2	75.2	100%	NA	77.2	29.75	1007.5
05:15 PM CDT	G 15.0	NULL	NULL	--	NULL		%	NA	NA		M
04:55 PM CDT	9.2	NULL	NULL	--	69.8	69.8	100%	NA	NA	29.78	1008.5
04:35 PM CDT	9.2 G 20.8	NULL	Light Rain	--	69.8	69.8	100%	NA	NA	29.81	1009.2
04:15 PM CDT	SE 9.2	NULL	NULL	--	73.4	73.4	100%	NA	75.2	29.79	1008.8
03:55 PM CDT	SE 6.9	NULL	Light Rain	--	NULL	71.6	%	NA	NA	29.78	1008.5
03:35 PM CDT	11.4 G 21.9	NULL	NULL	--	71.6	71.6	100%	NA	73.2	29.81	1009.2
03:15 PM CDT	11.4 G 18.3	NULL	NULL	--	75.2	75.2	100%	NA	77.2	29.79	1008.8
02:55 PM CDT	12.8 G 19.7	NULL	Mostly Clear	--	78.8	71.6	79%	NA	81.7	29.79	1008.8
02:35 PM CDT	12.8 G 20.8	NULL	Mostly Clear	--	80.6	69.8	70%	NA	83.8	29.81	1009.2
02:15 PM CDT	9.2 G 18.3	NULL	Mostly Clear	--	80.6	71.6	74%	NA	84.6	29.81	1009.2
01:55 PM CDT	SE 11.4 G 18.3	NULL	Partly Cloudy	--	80.6	71.6	74%	NA	84.6	29.81	1009.5
01:35 PM CDT	16.1	NULL	Mostly Cloudy	--	80.6	71.6	74%	NA	84.6	29.82	1009.8