Byron, IL Current Weather Conditions

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

▼Current Conditions — Byron, IL

FREEPORT (KFEP)

Clear

79.0 F

Humidity:	93%
Wind Speed:	5.8 mph
Barometer:	29.97 in
Dewpoint:	76.8 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	83.1 F
Wind Chill:	NA

Sep 1 2026, 09:15 PM CDT

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▼Hourly Observation History — Byron, IL

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)
09:15 PM CDT	5.8	10.00	Clear	--	79.0	76.8	93%	NA	83.1	29.97	1014.9
08:55 PM CDT	3.4	10.00	Clear	--	78.8	77.0	94%	NA	82.8	29.97	1014.9
08:35 PM CDT	SW 4.7	10.00	Clear	--	81.3	77.4	88%	NA	88.9	29.96	1014.6
08:15 PM CDT	SW 5.8	10.00	Clear	--	81.5	77.9	89%	NA	89.6	29.96	1014.6
07:55 PM CDT	4.7	10.00	Clear	--	81.7	78.1	89%	NA	90.1	29.95	1014.2
07:35 PM CDT	3.4	10.00	Clear	--	83.8	78.8	85%	NA	95.4	29.95	1014.2
07:15 PM CDT	4.7	10.00	Clear	--	86.0	79.5	81%	NA	100.4	29.95	1014.2
06:55 PM CDT	4.7	10.00	Clear	--	87.8	79.9	77%	NA	104.0	29.95	1014.2
06:35 PM CDT	SW 5.8	10.00	Clear	--	89.2	78.8	71%	NA	104.5	29.95	1014.2
06:15 PM CDT	SW 8.1	10.00	Clear	--	90.3	79.2	70%	NA	106.9	29.95	1014.2
05:55 PM CDT	SW 9.2	10.00	Clear	--	91.4	79.2	68%	NA	108.3	29.95	1014.2
05:35 PM CDT	SW 6.9	10.00	Clear	--	91.9	79.5	67%	NA	109.8	29.95	1014.2
05:15 PM CDT	SW 5.8	10.00	NULL	--	92.3	80.1	68%	NA	111.2	29.95	1014.2
04:55 PM CDT	W 4.7	10.00	Clear	--	91.4	80.2	70%	NA	110.3	29.95	1014.2
04:35 PM CDT	W 4.7	10.00	Partly Cloudy	--	92.5	80.2	68%	NA	111.9	29.95	1014.2
04:15 PM CDT	6.9	10.00	Partly Cloudy	--	93.2	79.7	65%	NA	111.9	29.96	1014.6
03:55 PM CDT	6.9	10.00	Partly Cloudy	--	92.8	80.2	67%	NA	112.3	29.96	1014.6
03:35 PM CDT	8.1	10.00	Partly Cloudy	--	92.3	79.5	66%	NA	110.3	29.96	1014.6
03:15 PM CDT	SW 9.2	10.00	Clear	--	91.8	79.9	68%	NA	110.1	29.96	1014.6
02:55 PM CDT	6.9	10.00	Clear	--	93.0	79.0	64%	NA	110.5	29.97	1014.9
02:35 PM CDT	8.1	10.00	Clear	--	92.1	79.5	67%	NA	110.1	29.97	1014.9
02:15 PM CDT	8.1	10.00	Clear	--	91.8	79.3	67%	NA	109.2	29.98	1015.2
01:55 PM CDT	5.8	10.00	Partly Cloudy	--	91.4	79.3	68%	NA	108.7	29.98	1015.2
01:35 PM CDT	0.0	10.00	Partly Cloudy	--	91.2	79.5	69%	NA	108.7	29.98	1015.2
01:15 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
12:55 PM CDT	W 5.8	10.00	Clear	--	89.4	80.6	75%	NA	107.8	29.99	1015.6
12:35 PM CDT	3.4	10.00	Clear	--	88.7	81.1	78%	NA	107.6	29.99	1015.6
12:15 PM CDT	0.0	10.00	Thunderstorms	--	86.9	81.5	84%	NA	105.1	29.99	1015.6
11:55 AM CDT	3.4	10.00	Clear	--	84.7	81.3	90%	NA	100.4	30.00	1015.9
11:35 AM CDT	4.7	10.00	Clear	--	84.7	82.9	94%	NA	102.9	30.00	1015.9
11:15 AM CDT	SW 3.4	NULL	NULL	--	84.2	82.4	94%	NA	100.8	30.00	1015.9
10:55 AM CDT	0.0	10.00	Clear	--	82.6	81.0	95%	NA	95.0	30.01	1016.3
10:35 AM CDT	0.0	10.00	Partly Cloudy	--	82.4	80.8	95%	NA	94.3	30.00	1015.9
10:15 AM CDT	W 3.4	10.00	Partly Cloudy	--	81.0	79.7	96%	NA	89.6	30.00	1015.9
09:55 AM CDT	W 5.8	10.00	Partly Cloudy	--	81.1	79.7	95%	NA	90.1	30.00	1015.9
09:35 AM CDT	5.8	10.00	Partly Cloudy	--	79.7	78.1	95%	NA	85.5	30.00	1015.9
09:15 AM CDT	W 3.4	10.00	Clear	--	79.3	77.9	95%	NA	84.4	30.00	1015.9
08:55 AM CDT	5.8	10.00	Clear	--	78.4	77.0	95%	NA	81.9	30.00	1015.9
08:35 AM CDT	5.8	10.00	Clear	--	78.1	76.5	95%	NA	80.8	30.00	1015.9
08:15 AM CDT	5.8	10.00	Clear	--	77.9	76.1	94%	NA	79.9	29.99	1015.6
07:55 AM CDT	6.9	10.00	Clear	--	77.9	76.5	95%	NA	79.9	29.99	1015.6
07:35 AM CDT	4.7	10.00	Clear	--	75.9	74.5	95%	NA	77.7	29.99	1015.6
07:15 AM CDT	SW 5.8	10.00	Clear	--	75.2	73.8	95%	NA	76.8	29.99	1015.6
06:55 AM CDT	W 5.8	NULL	NULL	--	75.7	74.3	95%	NA	77.5	29.98	1015.2
06:35 AM CDT	6.9	NULL	NULL	--	74.5	72.9	95%	NA	76.1	29.98	1015.2
06:15 AM CDT	SW 4.7	NULL	NULL	--	72.1	70.7	95%	NA	73.6	29.97	1014.9
05:55 AM CDT	SW 3.4	NULL	NULL	--	72.5	70.9	95%	NA	73.9	29.97	1014.9
05:35 AM CDT	SW 4.7	7.00	Clear	--	72.5	70.9	95%	NA	73.9	29.97	1014.9
05:15 AM CDT	W 3.4	10.00	Clear	--	74.5	72.9	95%	NA	76.1	29.97	1014.9
04:55 AM CDT	3.4	10.00	Clear	--	74.8	73.4	95%	NA	76.5	29.96	1014.6
04:35 AM CDT	3.4	10.00	Clear	--	75.6	73.9	95%	NA	77.2	29.96	1014.6
04:15 AM CDT	4.7	10.00	Clear	--	74.5	72.9	95%	NA	76.1	29.96	1014.6
03:55 AM CDT	4.7	10.00	Clear	--	74.7	73.2	95%	NA	76.3	29.96	1014.6
03:35 AM CDT	3.4	10.00	Clear	--	75.0	73.6	95%	NA	76.6	29.96	1014.6
03:15 AM CDT	5.8	10.00	Clear	--	75.2	73.8	95%	NA	76.8	29.96	1014.6
02:55 AM CDT	4.7	10.00	Clear	--	75.7	74.3	95%	NA	77.5	29.96	1014.6
02:35 AM CDT	SW 5.8	10.00	Clear	--	74.3	72.7	95%	NA	75.9	29.96	1014.6
02:15 AM CDT	SW 4.7	10.00	Clear	--	74.1	72.7	95%	NA	75.7	29.96	1014.6
01:55 AM CDT	0.0	10.00	Clear	--	73.0	71.6	95%	NA	74.5	29.97	1014.9
01:35 AM CDT		7.00	Clear	--	NULL		%	NA	NA		M
01:15 AM CDT	0.0	10.00	Clear	--	74.7	73.0	95%	NA	76.3	29.97	1014.9
12:55 AM CDT	3.4	10.00	Clear	--	75.0	73.6	95%	NA	76.6	29.96	1014.6
12:35 AM CDT	3.4	10.00	Clear	--	74.7	73.2	95%	NA	76.3	29.96	1014.6
12:15 AM CDT	S 6.9	10.00	Clear	--	75.4	73.9	95%	NA	77.2	29.95	1014.2
11:55 PM CDT	4.7	10.00	Clear	--	75.7	74.1	95%	NA	77.5	29.96	1014.6
11:35 PM CDT	S 6.9	10.00	Clear	--	75.6	73.9	95%	NA	77.2	29.96	1014.6
11:15 PM CDT	SW 4.7	10.00	Clear	--	76.6	75.0	95%	NA	78.4	29.96	1014.6
10:55 PM CDT	SW 5.8	10.00	Clear	--	78.8	75.6	90%	NA	82.4	29.96	1014.6
10:35 PM CDT	SW 6.9	10.00	Clear	--	79.2	75.7	89%	NA	83.3	29.96	1014.6
10:15 PM CDT	SW 5.8	10.00	Clear	--	78.8	75.9	91%	NA	82.6	29.96	1014.6
09:55 PM CDT	4.7	10.00	Clear	--	78.1	76.3	94%	NA	80.8	29.96	1014.6
09:35 PM CDT	4.7	10.00	Clear	--	78.3	76.6	95%	NA	81.3	29.96	1014.6