10-day forecast for Portville, NY: 52° to 86°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
82°
Best day: Sunday, August 9
71° · 0.17 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1079° / 64°0.09
Morning66°feels 66°
Afternoon72°feels 73°
Evening74°feels 75°
Overnight65°feels 66°
79 °
Portville, Monday, 10 August
Light rain. High 79°, low 64°.
Pressure29.97 inHg
Wind6.2 mph S
Humidity93%
Visibility6.2 mi
Dew point65°
Tue, 1180° / 64°0.02
Morning67°feels 68°
Afternoon76°feels 76°
Evening66°feels 65°
Overnight67°feels 68°
80 °
Portville, Tuesday, 11 August
Light rain. High 80°, low 64°.
Pressure29.94 inHg
Wind6.5 mph W
Humidity78%
Visibility6.2 mi
Dew point64°
Wed, 1271° / 59°0.17
Morning62°feels 62°
Afternoon67°feels 68°
Evening64°feels 65°
Overnight60°feels 60°
71 °
Portville, Wednesday, 12 August
Light rain. High 71°, low 59°.
Pressure29.80 inHg
Wind3.9 mph W
Humidity96%
Visibility6.2 mi
Dew point65°
Thu, 1373° / 55°0
Morning58°feels 58°
Afternoon73°feels 72°
Evening60°feels 59°
Overnight58°feels 58°
73 °
Portville, Thursday, 13 August
Light rain. High 73°, low 55°.
Pressure29.97 inHg
Wind8.2 mph NW
Humidity49%
Visibility6.2 mi
Dew point50°
Fri, 1475° / 53°0.01
Morning61°feels 60°
Afternoon73°feels 73°
Evening62°feels 62°
Overnight56°feels 56°
75 °
Portville, Friday, 14 August
Light rain. High 75°, low 53°.
Pressure30.09 inHg
Wind4.6 mph NE
Humidity47%
Visibility—
Dew point51°
Sat, 1580° / 53°0.01
Morning64°feels 64°
Afternoon78°feels 78°
Evening65°feels 66°
Overnight61°feels 61°
80 °
Portville, Saturday, 15 August
Light rain. High 80°, low 53°.
Pressure30.12 inHg
Wind4.9 mph S
Humidity42%
Visibility—
Dew point52°
Sun, 1686° / 58°0.15
Morning72°feels 73°
Afternoon83°feels 85°
Evening66°feels 67°
Overnight60°feels 60°
86 °
Portville, Sunday, 16 August
Light rain. High 86°, low 58°.
Pressure29.68 inHg
Wind16.8 mph SW
Humidity50%
Visibility—
Dew point63°
Mon, 1774° / 52°0
Morning60°feels 60°
Afternoon73°feels 72°
Evening63°feels 62°
Overnight58°feels 58°
74 °
Portville, Monday, 17 August
Mostly clear. High 74°, low 52°.
Pressure30.03 inHg
Wind7.7 mph N
Humidity44%
Visibility—
Dew point49°
Tue, 1881° / 61°0.19
Morning68°feels 68°
Afternoon79°feels 79°
Evening67°feels 68°
Overnight65°feels 66°
81 °
Portville, Tuesday, 18 August
Light rain. High 81°, low 61°.
Pressure29.94 inHg
Wind10.3 mph S
Humidity48%
Visibility—
Dew point57°
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 Portville, 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.