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St Thomas, Saint Thomas

88°F
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St Thomas

Saint Thomas

88°
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St Thomas, Saint Thomas Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Monthly

 Air Quality Health & Activities

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
An afternoon shower or two
91°
80°
27
Mostly cloudy
89°
80°
28
A t-storm around in the a.m.
90°
81°
29
A t-storm around in the a.m.
91°
81°
30
Sunshine and a few clouds
90°
80°
31
Partly sunny, showers around
89°
78°
1
Mostly sunny
89°
78°
2
A thunderstorm in spots
90°
79°
3
A shower in the morning
91°
79°
4
A little morning rain
90°
79°
5
A touch of morning rain
89°
80°
6
A stray afternoon t-shower
88°
80°
7
An afternoon thunderstorm
87°
81°
8
Humid; an afternoon t-shower
87°
81°
9
Times of clouds and sun
88°
80°
10
A couple of afternoon showers
87°
81°
11
Mostly sunny
87°
81°
12
A shower and thunderstorm
88°
80°
13
A thundershower in spots
87°
81°
14
Sun and some clouds
87°
81°
15
A t-storm around in the a.m.
88°
80°
16
A t-storm around in the a.m.
87°
81°
17
A shower in the afternoon
87°
81°
18
Mostly cloudy
88°
80°
19
A shower and thunderstorm
88°
80°
20
A shower and thunderstorm
87°
81°
21
Mostly cloudy and humid
87°
82°
22
Mostly sunny
88°
81°
23
Mostly sunny
87°
81°
24
A morning thundershower
87°
80°
25
Plenty of sunlight
88°
82°
26
More sun than clouds
87°
82°
27
Showers around in the p.m.
87°
81°
28
Sunny to partly cloudy
88°
82°
29
An afternoon thunderstorm
87°
81°
30
A stray morning thundershower
87°
82°
31
Mostly sunny
88°
82°
1
A passing afternoon shower
87°
81°
2
A t-storm in the afternoon
87°
81°
3
A couple of afternoon showers
88°
82°
4
A few afternoon showers
89°
80°
5
Partly sunny
89°
78°

Temperature Graph

°F
100° 94° 88° 82° 76° Aug
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 St Thomas

St Thomas's August 2026 forecast shows daily high temperatures ranging from 87° to 91°, with overnight lows between 78° and 82°. The average high for August is 88° with an average low of 81°. 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 St Thomas. See also: September | October | November.

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World Central America US Virgin Islands Saint Thomas St Thomas

Weather Near St Thomas:

  • Red Hook, Saint Thomas
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