10-day forecast for Portville, NY: 44° to 81°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Sunday, August 9
56°
Worst day: Sunday, August 16
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1081° / 62°0.18
Morning65°feels 66°
Afternoon77°feels 77°
Evening75°feels 77°
Overnight63°feels 64°
81 °
Portville, Monday, 10 August
Rain. High 81°, low 62°.
Pressure29.97 inHg
Wind10.9 mph SW
Humidity80%
Visibility6.2 mi
Dew point65°
Tue, 1179° / 58°0.13
Morning63°feels 64°
Afternoon79°feels 78°
Evening64°feels 63°
Overnight67°feels 68°
79 °
Portville, Tuesday, 11 August
Rain. High 79°, low 58°.
Pressure29.94 inHg
Wind8 mph NW
Humidity47%
Visibility6.2 mi
Dew point55°
Wed, 1266° / 57°0.07
Morning63°feels 62°
Afternoon64°feels 65°
Evening66°feels 66°
Overnight58°feels 58°
66 °
Portville, Wednesday, 12 August
Light rain. High 66°, low 57°.
Pressure29.80 inHg
Wind6.4 mph SW
Humidity83%
Visibility6.2 mi
Dew point63°
Thu, 1369° / 52°0
Morning55°feels 55°
Afternoon68°feels 66°
Evening58°feels 57°
Overnight61°feels 61°
69 °
Portville, Thursday, 13 August
Light rain. High 69°, low 52°.
Pressure29.88 inHg
Wind14.6 mph NW
Humidity44%
Visibility6.2 mi
Dew point45°
Fri, 1469° / 45°0
Morning57°feels 55°
Afternoon67°feels 66°
Evening55°feels 54°
Overnight49°feels 49°
69 °
Portville, Friday, 14 August
Clear. High 69°, low 45°.
Pressure30.06 inHg
Wind10.6 mph N
Humidity39%
Visibility—
Dew point41°
Sat, 1567° / 44°0
Morning54°feels 54°
Afternoon65°feels 63°
Evening53°feels 52°
Overnight47°feels 47°
67 °
Portville, Saturday, 15 August
Overcast. High 67°, low 44°.
Pressure30.27 inHg
Wind9.6 mph N
Humidity41%
Visibility—
Dew point40°
Sun, 1656° / 45°0.01
Morning52°feels 51°
Afternoon53°feels 52°
Evening54°feels 53°
Overnight54°feels 53°
56 °
Portville, Sunday, 16 August
Light rain. High 56°, low 45°.
Pressure30.15 inHg
Wind4.6 mph SE
Humidity90%
Visibility—
Dew point50°
Mon, 1773° / 53°0
Morning60°feels 60°
Afternoon71°feels 70°
Evening60°feels 59°
Overnight56°feels 55°
73 °
Portville, Monday, 17 August
Partly cloudy. High 73°, low 53°.
Pressure29.94 inHg
Wind8.1 mph N
Humidity45%
Visibility—
Dew point48°
Tue, 1876° / 51°0
Morning61°feels 61°
Afternoon73°feels 73°
Evening62°feels 62°
Overnight59°feels 58°
76 °
Portville, Tuesday, 18 August
Overcast. High 76°, low 51°.
Pressure29.97 inHg
Wind5.4 mph NW
Humidity39%
Visibility—
Dew point46°
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.