10-day forecast for Lewis, NY: 51° to 84°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Sunday, August 9
68° · 0.16 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1080° / 61°0.22
Morning67°feels 66°
Afternoon78°feels 79°
Evening67°feels 68°
Overnight63°feels 62°
80 °
Lewis, Monday, 10 August
Rain. High 80°, low 61°.
Pressure29.91 inHg
Wind5.7 mph S
Humidity50%
Visibility6.2 mi
Dew point57°
Tue, 1179° / 61°0
Morning66°feels 66°
Afternoon79°feels 79°
Evening68°feels 67°
Overnight63°feels 64°
79 °
Lewis, Tuesday, 11 August
Overcast. High 79°, low 61°.
Pressure29.80 inHg
Wind10.8 mph NW
Humidity37%
Visibility6.2 mi
Dew point49°
Wed, 1267° / 58°0.09
Morning64°feels 64°
Afternoon65°feels 65°
Evening61°feels 61°
Overnight59°feels 59°
67 °
Lewis, Wednesday, 12 August
Light rain. High 67°, low 58°.
Pressure29.80 inHg
Wind1.3 mph SE
Humidity75%
Visibility6.2 mi
Dew point57°
Thu, 1368° / 54°0.16
Morning60°feels 60°
Afternoon68°feels 67°
Evening63°feels 62°
Overnight57°feels 57°
68 °
Lewis, Thursday, 13 August
Light rain. High 68°, low 54°.
Pressure29.65 inHg
Wind15.5 mph W
Humidity56%
Visibility—
Dew point51°
Fri, 1462° / 51°0
Morning53°feels 51°
Afternoon60°feels 58°
Evening60°feels 59°
Overnight53°feels 51°
62 °
Lewis, Friday, 14 August
Partly cloudy. High 62°, low 51°.
Pressure29.91 inHg
Wind14.6 mph NW
Humidity51%
Visibility—
Dew point40°
Sat, 1568° / 53°0
Morning57°feels 55°
Afternoon66°feels 65°
Evening66°feels 65°
Overnight57°feels 56°
68 °
Lewis, Saturday, 15 August
Clear. High 68°, low 53°.
Pressure30.00 inHg
Wind14.5 mph NW
Humidity44%
Visibility—
Dew point42°
Sun, 1670° / 52°0
Morning57°feels 55°
Afternoon69°feels 68°
Evening68°feels 67°
Overnight57°feels 56°
70 °
Lewis, Sunday, 16 August
Overcast. High 70°, low 52°.
Pressure30.12 inHg
Wind5.8 mph W
Humidity44%
Visibility—
Dew point44°
Mon, 1771° / 54°0.16
Morning59°feels 57°
Afternoon71°feels 69°
Evening67°feels 66°
Overnight55°feels 55°
71 °
Lewis, Monday, 17 August
Light rain. High 71°, low 54°.
Pressure30.00 inHg
Wind3.8 mph W
Humidity44%
Visibility—
Dew point46°
Tue, 1871° / 54°0.03
Morning56°feels 55°
Afternoon62°feels 62°
Evening68°feels 67°
Overnight54°feels 53°
71 °
Lewis, Tuesday, 18 August
Light rain. High 71°, low 54°.
Pressure30.09 inHg
Wind6.5 mph N
Humidity89%
Visibility—
Dew point56°
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, NY 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.