10-day forecast for Lewiston, VT: 48° to 88°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Sunday, August 9
77° · 0.3 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1086° / 66°0.13
Morning73°feels 74°
Afternoon85°feels 84°
Evening70°feels 71°
Overnight69°feels 70°
86 °
Lewiston, Monday, 10 August
Rain. High 86°, low 66°.
Pressure29.91 inHg
Wind6.8 mph SW
Humidity37%
Visibility6.2 mi
Dew point54°
Tue, 1183° / 62°0.06
Morning69°feels 70°
Afternoon82°feels 81°
Evening68°feels 67°
Overnight65°feels 65°
83 °
Lewiston, Tuesday, 11 August
Rain. High 83°, low 62°.
Pressure29.80 inHg
Wind13.2 mph NW
Humidity40%
Visibility6.2 mi
Dew point52°
Wed, 1278° / 60°0.27
Morning61°feels 61°
Afternoon78°feels 78°
Evening66°feels 66°
Overnight63°feels 62°
78 °
Lewiston, Wednesday, 12 August
Light rain. High 78°, low 60°.
Pressure29.77 inHg
Wind4 mph S
Humidity72%
Visibility6.2 mi
Dew point60°
Thu, 1377° / 55°0.3
Morning64°feels 64°
Afternoon72°feels 72°
Evening70°feels 69°
Overnight56°feels 56°
77 °
Lewiston, Thursday, 13 August
Rain. High 77°, low 55°.
Pressure29.68 inHg
Wind9.6 mph NW
Humidity69%
Visibility—
Dew point59°
Fri, 1469° / 48°0
Morning53°feels 53°
Afternoon67°feels 65°
Evening67°feels 66°
Overnight57°feels 55°
69 °
Lewiston, Friday, 14 August
Partly cloudy. High 69°, low 48°.
Pressure29.94 inHg
Wind11.5 mph NW
Humidity44%
Visibility—
Dew point42°
Sat, 1574° / 50°0
Morning56°feels 55°
Afternoon70°feels 69°
Evening69°feels 68°
Overnight54°feels 53°
74 °
Lewiston, Saturday, 15 August
Partly cloudy. High 74°, low 50°.
Pressure30.03 inHg
Wind14 mph NW
Humidity50%
Visibility—
Dew point48°
Sun, 1677° / 49°0
Morning56°feels 56°
Afternoon73°feels 72°
Evening73°feels 72°
Overnight54°feels 53°
77 °
Lewiston, Sunday, 16 August
Clear. High 77°, low 49°.
Pressure30.18 inHg
Wind6.4 mph NW
Humidity40%
Visibility—
Dew point44°
Mon, 1781° / 50°0
Morning57°feels 56°
Afternoon74°feels 73°
Evening77°feels 77°
Overnight60°feels 60°
81 °
Lewiston, Monday, 17 August
Overcast. High 81°, low 50°.
Pressure30.15 inHg
Wind6.4 mph W
Humidity48%
Visibility—
Dew point49°
Tue, 1878° / 59°0.07
Morning61°feels 62°
Afternoon68°feels 69°
Evening75°feels 75°
Overnight62°feels 62°
78 °
Lewiston, Tuesday, 18 August
Light rain. High 78°, low 59°.
Pressure30.09 inHg
Wind7.4 mph SW
Humidity98%
Visibility—
Dew point64°
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 Lewiston, VT 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.