10-day forecast for Decatur, NY: 44° to 77°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Sunday, August 9
66° · 0.07 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1077° / 60°0.06
Morning67°feels 66°
Afternoon75°feels 75°
Evening68°feels 69°
Overnight60°feels 60°
77 °
Decatur, Monday, 10 August
Light rain. High 77°, low 60°.
Pressure29.97 inHg
Wind12.6 mph W
Humidity51%
Visibility6.2 mi
Dew point58°
Tue, 1175° / 58°0
Morning64°feels 65°
Afternoon74°feels 74°
Evening61°feels 61°
Overnight64°feels 65°
75 °
Decatur, Tuesday, 11 August
Light rain. High 75°, low 58°.
Pressure29.85 inHg
Wind12.7 mph NW
Humidity62%
Visibility6.2 mi
Dew point59°
Wed, 1266° / 57°0.03
Morning61°feels 61°
Afternoon66°feels 66°
Evening61°feels 61°
Overnight60°feels 59°
66 °
Decatur, Wednesday, 12 August
Light rain. High 66°, low 57°.
Pressure29.80 inHg
Wind4 mph E
Humidity85%
Visibility6.2 mi
Dew point57°
Thu, 1366° / 51°0.07
Morning60°feels 60°
Afternoon64°feels 63°
Evening55°feels 54°
Overnight58°feels 58°
66 °
Decatur, Thursday, 13 August
Light rain. High 66°, low 51°.
Pressure29.77 inHg
Wind17.2 mph W
Humidity52%
Visibility—
Dew point47°
Fri, 1460° / 44°0
Morning53°feels 52°
Afternoon58°feels 57°
Evening54°feels 52°
Overnight50°feels 47°
60 °
Decatur, Friday, 14 August
Overcast. High 60°, low 44°.
Pressure30.00 inHg
Wind15.9 mph NW
Humidity52%
Visibility—
Dew point41°
Sat, 1567° / 46°0
Morning56°feels 54°
Afternoon65°feels 63°
Evening56°feels 55°
Overnight49°feels 48°
67 °
Decatur, Saturday, 15 August
Clear. High 67°, low 46°.
Pressure30.09 inHg
Wind15.8 mph NW
Humidity44%
Visibility—
Dew point42°
Sun, 1668° / 46°0
Morning58°feels 56°
Afternoon66°feels 65°
Evening57°feels 56°
Overnight53°feels 52°
68 °
Decatur, Sunday, 16 August
Overcast. High 68°, low 46°.
Pressure30.15 inHg
Wind8.7 mph NW
Humidity44%
Visibility—
Dew point43°
Mon, 1770° / 52°0.01
Morning59°feels 58°
Afternoon60°feels 59°
Evening56°feels 55°
Overnight54°feels 53°
70 °
Decatur, Monday, 17 August
Light rain. High 70°, low 52°.
Pressure30.03 inHg
Wind5.7 mph W
Humidity77%
Visibility—
Dew point53°
Tue, 1872° / 51°0
Morning61°feels 61°
Afternoon70°feels 70°
Evening59°feels 59°
Overnight55°feels 55°
72 °
Decatur, Tuesday, 18 August
Light rain. High 72°, low 51°.
Pressure30.03 inHg
Wind8.6 mph NW
Humidity51%
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 Decatur, 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.