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Nassau, NY

78°F
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78°
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Nassau, 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
Flash Flood Warning

August

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
26
84°
60°
27
87°
64°
28
80°
66°
29
68°
64°
30
77°
64°
31
82°
61°
1
87°
61°
2
83°
71°
3
83°
66°
4
85°
58°
5
85°
62°
6
Showers and a heavier t-storm
89°
70°
7
Showers and a heavier t-storm
88°
72°
8
A heavy t-storm in the p.m.
86°
70°
9
Humid; a p.m. shower or two
85°
61°
10
A t-storm around in the p.m.
86°
69°
11
Humid with a t-storm or two
80°
64°
12
An a.m. shower; partly sunny
80°
62°
13
An afternoon t-storm or two
79°
61°
14
Humid; an a.m. t-storm or two
78°
59°
15
Partly sunny and less humid
77°
59°
16
Partly sunny
77°
58°
17
Sun and clouds
76°
59°
18
Mostly sunny
77°
61°
19
Periods of rain
76°
60°
20
Sunshine and a few clouds
77°
57°
21
Clouds rolling in
76°
56°
22
Plenty of sun
76°
59°
23
Humid with clouds and sun
83°
64°
24
An afternoon thunderstorm
82°
64°
25
Humid; a little morning rain
79°
63°
26
Times of clouds and sun
78°
62°
27
Cloudy with showers
77°
61°
28
A.M. rain; cloudy and humid
75°
63°
29
Mostly cloudy
79°
61°
30
Clouds and sun
80°
62°
31
Cloudy
80°
60°
1
Partly sunny and less humid
79°
55°
2
Mostly cloudy
73°
53°
3
Mainly cloudy
72°
55°
4
Sun and clouds
72°
52°
5
Times of clouds and sun
73°
52°

Temperature Graph

°F
90° 82° 74° 66° 58° Aug
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

August Weather in Nassau

Nassau's August 2026 forecast shows daily high temperatures ranging from 72° to 89°, with overnight lows between 52° and 72°. The average high for August is 79° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Nassau. See also: September | October | November.

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Weather Near Nassau:

  • Albany, NY
  • Schenectady, NY
  • Troy, NY
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