10-day forecast for Portlandville, NY: 44° to 80°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Sunday, August 9
71° · 0.15 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1077° / 63°0.04
Morning69°feels 69°
Afternoon70°feels 70°
Evening73°feels 74°
Overnight63°feels 64°
77 °
Portlandville, Monday, 10 August
Light rain. High 77°, low 63°.
Pressure29.97 inHg
Wind9.7 mph SW
Humidity59%
Visibility6.2 mi
Dew point61°
Tue, 1177° / 58°0
Morning67°feels 68°
Afternoon77°feels 77°
Evening66°feels 66°
Overnight70°feels 72°
77 °
Portlandville, Tuesday, 11 August
Overcast. High 77°, low 58°.
Pressure29.91 inHg
Wind10.1 mph NW
Humidity63%
Visibility6.2 mi
Dew point59°
Wed, 1279° / 57°0.02
Morning64°feels 64°
Afternoon79°feels 79°
Evening68°feels 68°
Overnight57°feels 56°
79 °
Portlandville, Wednesday, 12 August
Light rain. High 79°, low 57°.
Pressure29.83 inHg
Wind4.2 mph SW
Humidity50%
Visibility6.2 mi
Dew point56°
Thu, 1371° / 53°0.15
Morning63°feels 63°
Afternoon69°feels 68°
Evening59°feels 58°
Overnight62°feels 63°
71 °
Portlandville, Thursday, 13 August
Light rain. High 71°, low 53°.
Pressure29.77 inHg
Wind17 mph W
Humidity55%
Visibility6.2 mi
Dew point53°
Fri, 1467° / 53°0
Morning59°feels 58°
Afternoon65°feels 64°
Evening56°feels 54°
Overnight54°feels 53°
67 °
Portlandville, Friday, 14 August
Partly cloudy. High 67°, low 53°.
Pressure30.03 inHg
Wind14.3 mph NW
Humidity47%
Visibility—
Dew point45°
Sat, 1569° / 44°0
Morning56°feels 54°
Afternoon66°feels 65°
Evening57°feels 56°
Overnight51°feels 50°
69 °
Portlandville, Saturday, 15 August
Clear. High 69°, low 44°.
Pressure30.21 inHg
Wind12.7 mph NW
Humidity49%
Visibility—
Dew point46°
Sun, 1668° / 48°0
Morning59°feels 58°
Afternoon66°feels 65°
Evening60°feels 58°
Overnight58°feels 57°
68 °
Portlandville, Sunday, 16 August
Overcast. High 68°, low 48°.
Pressure30.15 inHg
Wind5.1 mph SW
Humidity57%
Visibility—
Dew point50°
Mon, 1760° / 54°0.02
Morning58°feels 57°
Afternoon59°feels 59°
Evening57°feels 57°
Overnight55°feels 55°
60 °
Portlandville, Monday, 17 August
Light rain. High 60°, low 54°.
Pressure29.97 inHg
Wind2.9 mph SE
Humidity95%
Visibility—
Dew point58°
Tue, 1875° / 51°0
Morning62°feels 62°
Afternoon73°feels 72°
Evening62°feels 62°
Overnight59°feels 58°
75 °
Portlandville, Tuesday, 18 August
Partly cloudy. High 75°, low 51°.
Pressure29.97 inHg
Wind7.7 mph NW
Humidity48%
Visibility—
Dew point51°
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 Portlandville, 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.