10-day forecast for Grafton, NY: 43° to 79°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Tuesday, August 11
71° · 0.17 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1078° / 61°0.01
Morning66°feels 66°
Afternoon78°feels 78°
Evening66°feels 67°
Overnight61°feels 61°
78 °
Grafton, Monday, 10 August
Light rain. High 78°, low 61°.
Pressure29.97 inHg
Wind7.8 mph SW
Humidity51%
Visibility6.2 mi
Dew point59°
Tue, 1178° / 59°0
Morning65°feels 66°
Afternoon76°feels 75°
Evening67°feels 66°
Overnight63°feels 64°
78 °
Grafton, Tuesday, 11 August
Light rain. High 78°, low 59°.
Pressure29.83 inHg
Wind8.1 mph NW
Humidity59%
Visibility6.2 mi
Dew point61°
Wed, 1268° / 58°0
Morning62°feels 62°
Afternoon68°feels 68°
Evening61°feels 61°
Overnight58°feels 57°
68 °
Grafton, Wednesday, 12 August
Overcast. High 68°, low 58°.
Pressure29.77 inHg
Wind3.5 mph N
Humidity78%
Visibility6.2 mi
Dew point59°
Thu, 1371° / 52°0.17
Morning58°feels 58°
Afternoon62°feels 62°
Evening66°feels 64°
Overnight57°feels 57°
71 °
Grafton, Thursday, 13 August
Light rain. High 71°, low 52°.
Pressure29.74 inHg
Wind16.3 mph W
Humidity94%
Visibility—
Dew point59°
Fri, 1465° / 45°0
Morning49°feels 49°
Afternoon61°feels 59°
Evening59°feels 57°
Overnight47°feels 46°
65 °
Grafton, Friday, 14 August
Clear. High 65°, low 45°.
Pressure29.94 inHg
Wind15.9 mph NW
Humidity50%
Visibility—
Dew point40°
Sat, 1571° / 43°0
Morning49°feels 47°
Afternoon64°feels 62°
Evening65°feels 64°
Overnight50°feels 49°
71 °
Grafton, Saturday, 15 August
Clear. High 71°, low 43°.
Pressure30.06 inHg
Wind12.9 mph NW
Humidity50%
Visibility—
Dew point42°
Sun, 1670° / 47°0
Morning52°feels 52°
Afternoon65°feels 64°
Evening62°feels 62°
Overnight54°feels 53°
70 °
Grafton, Sunday, 16 August
Overcast. High 70°, low 47°.
Pressure30.15 inHg
Wind5.3 mph N
Humidity52%
Visibility—
Dew point45°
Mon, 1773° / 53°0.13
Morning58°feels 57°
Afternoon67°feels 66°
Evening57°feels 57°
Overnight53°feels 53°
73 °
Grafton, Monday, 17 August
Light rain. High 73°, low 53°.
Pressure30.03 inHg
Wind3.8 mph W
Humidity53%
Visibility—
Dew point49°
Tue, 1872° / 52°0
Morning56°feels 55°
Afternoon67°feels 66°
Evening69°feels 69°
Overnight56°feels 55°
72 °
Grafton, Tuesday, 18 August
Partly cloudy. High 72°, low 52°.
Pressure30.06 inHg
Wind6 mph NW
Humidity70%
Visibility—
Dew point54°
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 Grafton, 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.