10-day forecast for Lewis, IA: 60° to 93°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
93°
Best day: Tuesday, August 18
72° · 0.42 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1088° / 72°0
Morning73°feels 74°
Afternoon75°feels 75°
Evening79°feels 79°
Overnight80°feels 80°
88 °
Lewis, Monday, 10 August
Light rain. High 88°, low 72°.
Pressure29.85 inHg
Wind13.3 mph SE
Humidity70%
Visibility6.2 mi
Dew point71°
Tue, 1193° / 73°0
Morning74°feels 75°
Afternoon92°feels 95°
Evening80°feels 80°
Overnight79°feels 79°
93 °
Lewis, Tuesday, 11 August
Overcast. High 93°, low 73°.
Pressure29.74 inHg
Wind9.4 mph SW
Humidity49%
Visibility6.2 mi
Dew point67°
Wed, 1286° / 69°0.02
Morning74°feels 75°
Afternoon83°feels 88°
Evening79°feels 80°
Overnight70°feels 70°
86 °
Lewis, Wednesday, 12 August
Light rain. High 86°, low 69°.
Pressure29.85 inHg
Wind10 mph E
Humidity80%
Visibility6.2 mi
Dew point73°
Thu, 1372° / 63°0.42
Morning69°feels 69°
Afternoon71°feels 71°
Evening65°feels 65°
Overnight70°feels 71°
72 °
Lewis, Thursday, 13 August
Rain. High 72°, low 63°.
Pressure30.00 inHg
Wind20.4 mph NE
Humidity76%
Visibility—
Dew point64°
Fri, 1466° / 62°0.19
Morning63°feels 63°
Afternoon65°feels 65°
Evening65°feels 66°
Overnight63°feels 64°
66 °
Lewis, Friday, 14 August
Light rain. High 66°, low 62°.
Pressure30.09 inHg
Wind15.6 mph E
Humidity97%
Visibility—
Dew point63°
Sat, 1569° / 60°0
Morning64°feels 64°
Afternoon67°feels 68°
Evening69°feels 70°
Overnight65°feels 65°
69 °
Lewis, Saturday, 15 August
Overcast. High 69°, low 60°.
Pressure30.12 inHg
Wind8.3 mph E
Humidity92%
Visibility—
Dew point64°
Sun, 1683° / 64°0
Morning68°feels 69°
Afternoon80°feels 80°
Evening79°feels 82°
Overnight70°feels 71°
83 °
Lewis, Sunday, 16 August
Overcast. High 83°, low 64°.
Pressure30.12 inHg
Wind9.6 mph NE
Humidity66%
Visibility—
Dew point65°
Mon, 1782° / 68°0
Morning73°feels 74°
Afternoon80°feels 83°
Evening77°feels 78°
Overnight70°feels 71°
82 °
Lewis, Monday, 17 August
Overcast. High 82°, low 68°.
Pressure30.06 inHg
Wind11.1 mph SE
Humidity62%
Visibility—
Dew point65°
Tue, 1893° / 67°0
Morning72°feels 74°
Afternoon86°feels 92°
Evening85°feels 92°
Overnight78°feels 81°
93 °
Lewis, Tuesday, 18 August
Overcast. High 93°, low 67°.
Pressure29.85 inHg
Wind12.8 mph SE
Humidity62%
Visibility—
Dew point69°
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 Lewis, IA 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.