Right now🌫️
Current conditions · Port Byron, IL
64°
Light Rain and Fog/Mist
Feels like 64°
💨 Wind
7 mph NNE
💧 Humidity
100%
🌫️ Dew pt
64°
👁️ Visibility
1.5 mi
NWSObserved at Davenport Municipal Airport
Weather · Port Byron
Port Byron forecast & conditions
Current conditions, the 7-day outlook and hour-by-hour details for Port Byron, straight from the National Weather Service. Watches and warnings show up first.
Loading the local forecast…
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7-Day forecast
Today
🌧️
69°
50°
90%
Rain Showers
Fri
☀️
65°
43°
0%
Sunny
Sat
☀️
68°
48°
0%
Sunny
Sun
☀️
71°
44°
1%
Sunny
Mon
☀️
66°
43°
0%
Sunny
Tue
☀️
68°
52°
0%
Sunny
Wed
⛅
74°
52°
6%
Mostly Sunny
Climate · a normal year
What a year in Port Byron feels like
Port Byron has cold, snowy winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 14°, and about 32 inches of snow falls in a normal winter.
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Right about normal today. The forecast high is 69°, and a typical Oct 1 in Port Byron peaks around 69°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
33° / 18°Winter
60° / 40°Spring
83° / 62°Summer
63° / 43°Fall
How much snow does Port Byron get?About 32 inches a winter.Rain & snow →When is the first frost?Around Oct 25, with the last in spring around Apr 16.Frost dates →Is it warmer than it used to be?+1.1° vs. the 20th century.Then & now →
See Port Byron’s full climate →
NOAA U.S. Climate Normals, 1991–2020. A normal is a 30-year average, not a forecast.
The forecast is temporarily unavailable.
Data from the U.S. National Weather Service (weather.gov) — free public data, not modified by TownTapestry. Not a substitute for official warnings; always follow weather.gov and local authorities.