10-day forecast for Bay City, IL: 69° to 103°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
103°
Best day: Tuesday, August 18
91° · 0.04 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1093° / 73°0
Morning78°feels 79°
Afternoon93°feels 102°
Evening83°feels 89°
Overnight74°feels 75°
93 °
Bay City, Monday, 10 August
Clear. High 93°, low 73°.
Pressure30.03 inHg
Wind12.9 mph SW
Humidity57%
Visibility6.2 mi
Dew point72°
Tue, 1195° / 75°0
Morning78°feels 80°
Afternoon95°feels 103°
Evening82°feels 88°
Overnight77°feels 78°
95 °
Bay City, Tuesday, 11 August
Partly cloudy. High 95°, low 75°.
Pressure29.97 inHg
Wind12.8 mph SW
Humidity53%
Visibility6.2 mi
Dew point72°
Wed, 1291° / 71°0.04
Morning79°feels 79°
Afternoon84°feels 89°
Evening83°feels 87°
Overnight78°feels 79°
91 °
Bay City, Wednesday, 12 August
Light rain. High 91°, low 71°.
Pressure29.91 inHg
Wind7.7 mph NW
Humidity65%
Visibility6.2 mi
Dew point73°
Thu, 1389° / 69°0.01
Morning74°feels 75°
Afternoon90°feels 98°
Evening82°feels 88°
Overnight70°feels 71°
89 °
Bay City, Thursday, 13 August
Light rain. High 89°, low 69°.
Pressure29.97 inHg
Wind5.7 mph SW
Humidity60%
Visibility6.2 mi
Dew point71°
Fri, 1497° / 75°0
Morning81°feels 83°
Afternoon94°feels 101°
Evening86°feels 94°
Overnight81°feels 84°
97 °
Bay City, Friday, 14 August
Overcast. High 97°, low 75°.
Pressure29.97 inHg
Wind10.1 mph SW
Humidity44%
Visibility—
Dew point68°
Sat, 1598° / 76°0
Morning82°feels 83°
Afternoon94°feels 98°
Evening86°feels 93°
Overnight80°feels 82°
98 °
Bay City, Saturday, 15 August
Clear. High 98°, low 76°.
Pressure30.06 inHg
Wind12.1 mph SW
Humidity37%
Visibility—
Dew point63°
Sun, 1698° / 75°0
Morning81°feels 83°
Afternoon96°feels 102°
Evening90°feels 99°
Overnight82°feels 85°
98 °
Bay City, Sunday, 16 August
Light rain. High 98°, low 75°.
Pressure29.97 inHg
Wind12 mph SW
Humidity40%
Visibility—
Dew point65°
Mon, 1798° / 75°0
Morning80°feels 84°
Afternoon93°feels 103°
Evening89°feels 99°
Overnight82°feels 86°
98 °
Bay City, Monday, 17 August
Overcast. High 98°, low 75°.
Pressure29.97 inHg
Wind7.3 mph SE
Humidity53%
Visibility—
Dew point71°
Tue, 18103° / 78°0
Morning84°feels 85°
Afternoon99°feels 103°
Evening90°feels 96°
Overnight82°feels 84°
103 °
Bay City, Tuesday, 18 August
Clear. High 103°, low 78°.
Pressure29.94 inHg
Wind12.6 mph SW
Humidity30%
Visibility—
Dew point61°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Bay City, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.