10-day forecast for Alton, NY: 58° to 85°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Sunday, August 9
67° · 0.04 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1085° / 68°0.18
Morning72°feels 73°
Afternoon76°feels 77°
Evening77°feels 79°
Overnight69°feels 69°
85 °
Alton, Monday, 10 August
Light rain. High 85°, low 68°.
Pressure29.91 inHg
Wind8.6 mph S
Humidity95%
Visibility6.2 mi
Dew point65°
Tue, 1176° / 67°0.03
Morning69°feels 70°
Afternoon75°feels 75°
Evening71°feels 71°
Overnight70°feels 71°
76 °
Alton, Tuesday, 11 August
Light rain. High 76°, low 67°.
Pressure29.88 inHg
Wind12.4 mph NW
Humidity60%
Visibility6.2 mi
Dew point60°
Wed, 1279° / 64°0.05
Morning64°feels 64°
Afternoon79°feels 79°
Evening68°feels 68°
Overnight69°feels 68°
79 °
Alton, Wednesday, 12 August
Light rain. High 79°, low 64°.
Pressure29.74 inHg
Wind5.4 mph SE
Humidity56%
Visibility6.2 mi
Dew point58°
Thu, 1369° / 64°0.05
Morning65°feels 65°
Afternoon67°feels 66°
Evening65°feels 64°
Overnight65°feels 66°
69 °
Alton, Thursday, 13 August
Light rain. High 69°, low 64°.
Pressure29.83 inHg
Wind19 mph NW
Humidity59%
Visibility—
Dew point52°
Fri, 1467° / 60°0.04
Morning62°feels 61°
Afternoon66°feels 65°
Evening64°feels 64°
Overnight63°feels 61°
67 °
Alton, Friday, 14 August
Light rain. High 67°, low 60°.
Pressure30.06 inHg
Wind17.6 mph NW
Humidity56%
Visibility—
Dew point49°
Sat, 1570° / 61°0
Morning64°feels 63°
Afternoon68°feels 67°
Evening66°feels 65°
Overnight66°feels 65°
70 °
Alton, Saturday, 15 August
Clear. High 70°, low 61°.
Pressure30.21 inHg
Wind17 mph NW
Humidity49%
Visibility—
Dew point48°
Sun, 1671° / 58°0
Morning63°feels 62°
Afternoon69°feels 68°
Evening65°feels 64°
Overnight62°feels 61°
71 °
Alton, Sunday, 16 August
Overcast. High 71°, low 58°.
Pressure30.15 inHg
Wind8.3 mph SW
Humidity65%
Visibility—
Dew point56°
Mon, 1772° / 59°0.05
Morning66°feels 65°
Afternoon70°feels 70°
Evening64°feels 64°
Overnight62°feels 62°
72 °
Alton, Monday, 17 August
Light rain. High 72°, low 59°.
Pressure30.00 inHg
Wind5.8 mph S
Humidity63%
Visibility—
Dew point57°
Tue, 1871° / 61°0.01
Morning66°feels 66°
Afternoon70°feels 70°
Evening64°feels 63°
Overnight62°feels 61°
71 °
Alton, Tuesday, 18 August
Light rain. High 71°, low 61°.
Pressure30.09 inHg
Wind9.4 mph N
Humidity66%
Visibility—
Dew point58°
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 Alton, 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.