St. Thomas, Ontario

Partly sunny, warm and humid

RealFeel®95°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindSSW 6 mph

Sat 7/12

88° /71°

40%

Very warm and humid with times of sun and clouds; a thunderstorm in spots late in the afternoon

RealFeel®96°

RealFeel Shade™90°

Max UV Index10 (Very High)

WindS 12 mph

Sun 7/13

82° /63°

88%

Intervals of clouds and sun with a couple of showers and a thunderstorm; warm and humid

RealFeel®90°

RealFeel Shade™85°

Max UV Index4 (Moderate)

WindWSW 8 mph

Mon 7/14

83° /62°

Hazy sunshine, warm and humid

RealFeel®90°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindWSW 7 mph

Tue 7/15

85° /67°

Very warm and humid with plenty of sun

RealFeel®94°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindSSW 7 mph

Wed 7/16

83° /71°

Humid and remaining warm with intervals of clouds and sunshine

RealFeel®91°

RealFeel Shade™85°

Max UV Index7 (High)

WindSW 9 mph

Thu 7/17

76° /63°

66%

Not as warm but humid with considerable cloudiness; thunderstorms in the morning followed by periods of rain and a thunderstorm in the afternoon

RealFeel®83°

RealFeel Shade™81°

Max UV Index2 (Low)

WindSW 10 mph

Fri 7/18

72° /56°

Less humid; low clouds in the morning followed by clouds giving way to some sun

RealFeel®73°

RealFeel Shade™69°

Max UV Index3 (Moderate)

WindNW 12 mph

Sat 7/19

75° /59°

Partly sunny with low humidity

RealFeel®82°

RealFeel Shade™74°

Max UV Index10 (Very High)

WindN 4 mph

Sun 7/20

77° /65°

Sunny to partly cloudy

RealFeel®80°

RealFeel Shade™75°

Max UV Index10 (Very High)

WindESE 7 mph

Mon 7/21

78° /67°

36%

A morning shower in places; otherwise, cloudy

RealFeel®78°

RealFeel Shade™77°

Max UV Index3 (Moderate)

WindSSW 13 mph

Tue 7/22

78° /67°

55%

Mostly cloudy and humid with a touch of rain

RealFeel®85°

RealFeel Shade™81°

Max UV Index9 (Very High)

WindWSW 13 mph

Wed 7/23

77° /66°

Mostly sunny and less humid

RealFeel®81°

RealFeel Shade™76°

Max UV Index9 (Very High)

WindWNW 9 mph

Thu 7/24

79° /62°

66%

A couple of morning showers and a thunderstorm; otherwise, cloudy

RealFeel®80°

RealFeel Shade™79°

Max UV Index2 (Low)

WindSW 4 mph

Fri 7/25

77° /66°

Humid with sun and some clouds

RealFeel®87°

RealFeel Shade™77°

Max UV Index9 (Very High)

WindWSW 6 mph

Sat 7/26

79° /65°

Cloudy most of the time

RealFeel®78°

RealFeel Shade™78°

Max UV Index3 (Moderate)

WindNE 9 mph

Sun 7/27

60%

Considerable cloudiness; a shower in spots in the morning followed by a little rain in the afternoon

RealFeel®72°

RealFeel Shade™72°

Max UV Index3 (Moderate)

WindENE 10 mph

Mon 7/28

74° /66°

65%

Cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®75°

RealFeel Shade™75°

Max UV Index2 (Low)

WindE 8 mph

Tue 7/29

75° /66°

Humid with times of clouds and sun

RealFeel®79°

RealFeel Shade™73°

Max UV Index5 (Moderate)

WindW 7 mph

Wed 7/30

75° /65°

Turning cloudy and humid

RealFeel®82°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindSW 9 mph

Thu 7/31

79° /67°

65%

Cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®82°

RealFeel Shade™82°

Max UV Index2 (Low)

WindSW 12 mph

Fri 8/1

77° /66°

Humid with plenty of sunshine

RealFeel®83°

RealFeel Shade™76°

Max UV Index9 (Very High)

WindNNW 7 mph

Sat 8/2

76° /62°

10%

Mostly sunny

RealFeel®80°

RealFeel Shade™73°

Max UV Index9 (Very High)

WindN 9 mph

Sun 8/3

72° /60°

Times of sun and clouds

RealFeel®76°

RealFeel Shade™70°

Max UV Index6 (High)

WindNW 6 mph

Mon 8/4

72° /59°

Partly sunny

RealFeel®82°

RealFeel Shade™71°

Max UV Index9 (Very High)

WindESE 2 mph

Tue 8/5

73° /65°

65%

Turning out cloudy with a couple of showers and a thunderstorm in the afternoon

RealFeel®79°

RealFeel Shade™71°

Max UV Index9 (Very High)

WindSW 8 mph

Wed 8/6

75° /65°

58%

A couple of showers in the morning; otherwise, more clouds than sun

RealFeel®79°

RealFeel Shade™75°

Max UV Index3 (Moderate)

WindWNW 5 mph

Thu 8/7

74° /63°

Sunshine and a few clouds

RealFeel®78°

RealFeel Shade™71°

Max UV Index8 (Very High)

WindNW 9 mph

Fri 8/8

72° /63°

80%

Morning rain; otherwise, cloudy

RealFeel®72°

RealFeel Shade™71°

Max UV Index3 (Moderate)

WindS 13 mph

Sat 8/9

Partly sunny

RealFeel®76°

RealFeel Shade™72°

Max UV Index8 (Very High)

WindNW 13 mph

Sun 8/10

Partly sunny and humid

RealFeel®78°

RealFeel Shade™72°

Max UV Index8 (Very High)

WindSSW 9 mph

Mon 8/11

76° /59°

Mostly cloudy

RealFeel®76°

RealFeel Shade™72°

Max UV Index8 (Very High)

WindNW 15 mph

Tue 8/12

70° /58°

Less humid with clouds and sun

RealFeel®75°

RealFeel Shade™68°

Max UV Index8 (Very High)

WindNW 7 mph

Wed 8/13

70° /58°

Mostly cloudy

RealFeel®77°

RealFeel Shade™69°

Max UV Index8 (Very High)

WindS 6 mph

Thu 8/14

72° /65°

Periods of clouds and sunshine

RealFeel®75°

RealFeel Shade™72°

Max UV Index5 (Moderate)

WindSE 7 mph

Fri 8/15

73° /65°

Turning cloudy

RealFeel®76°

RealFeel Shade™74°

Max UV Index5 (Moderate)

WindN 5 mph

Sat 8/16

74° /61°

70%

Considerable cloudiness with showers and thunderstorms in the afternoon

RealFeel®74°

RealFeel Shade™73°

Max UV Index2 (Low)

WindNNE 6 mph

Sun 8/17

71° /58°

Less humid with sun followed by increasing clouds

RealFeel®69°

RealFeel Shade™69°

Max UV Index5 (Moderate)

WindE 9 mph

Mon 8/18

71° /64°

64%

Humid with rain

RealFeel®70°

RealFeel Shade™70°

Max UV Index2 (Low)

WindS 15 mph

Tue 8/19

73° /64°

Mostly cloudy and less humid

RealFeel®72°

RealFeel Shade™71°

Max UV Index4 (Moderate)

WindWNW 9 mph

Wed 8/20

71° /63°

60%

Cloudy with occasional rain in the afternoon

RealFeel®70°

RealFeel Shade™70°

Max UV Index2 (Low)

WindS 12 mph

Thu 8/21