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Over 250 million face dangerous heat dome into 4th of July weekend. Click for details. Chevron right
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Grafton, NY

84°F
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Grafton, NY Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities
2
Extreme Heat Warning

July

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
28
82°
54°
29
83°
53°
30
84°
54°
1
A t-storm late this afternoon
88°
68°
2
Hot and humid with hazy sun
93°
72°
3
A gusty t-storm in the p.m.
92°
68°
4
A heavy thunderstorm
87°
59°
5
Turning cloudy
82°
66°
6
Some rain and a thunderstorm
79°
60°
7
Partly sunny, showers around
81°
61°
8
Partly sunny and less humid
80°
63°
9
Sun through high clouds
82°
62°
10
A stray afternoon t-shower
81°
62°
11
A little afternoon rain
85°
63°
12
A little afternoon rain
86°
64°
13
Mostly cloudy, a little rain
84°
63°
14
Turning cloudy
80°
59°
15
Partly sunny
72°
55°
16
Increasing cloudiness
73°
56°
17
Mostly sunny
74°
59°
18
Plenty of sunshine
75°
57°
19
Mostly cloudy
77°
59°
20
A shower and t-storm; humid
78°
63°
21
Morning rain, then t-storms
73°
63°
22
A couple of morning showers
74°
62°
23
A shower and t-storm; humid
77°
63°
24
Rather cloudy and humid
74°
63°
25
Mostly cloudy and humid
75°
62°
26
Humid with sun and clouds
76°
61°
27
Humid with sunny spells
78°
62°
28
Turning cloudy and humid
80°
63°
29
Humid; afternoon t-storms
78°
63°
30
Humid; a few morning showers
79°
64°
31
An afternoon thunderstorm
80°
64°
1
A t-storm around in the p.m.
79°
63°

Temperature Graph

°F
100° 90° 80° 70° 60° Jul
Today 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

July Weather in Grafton

Grafton's July 2026 forecast shows daily high temperatures ranging from 72° to 93°, with overnight lows between 55° and 72°. The average high for July is 80° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Grafton. See also: August | September | October.

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Weather Near Grafton:

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  • Schenectady, NY
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