Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™

St Stephens, Cornwall

59°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St Stephens

Cornwall

59°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
St Stephens, Cornwall Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Today Hourly 10-Day Radar MinuteCast®

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
Sun yielding to clouds
66°
59°
27
Partly sunny
68°
56°
28
Mostly sunny
69°
57°
29
Plenty of sunshine
69°
59°
30
Clouds and sunshine
70°
59°
31
A thunderstorm in the area
70°
56°
1
A couple of showers; windy
67°
56°
2
Mostly sunny
67°
55°
3
Partial sunshine
68°
56°
4
Intervals of bright sunshine
67°
59°
5
Occasional rain
68°
57°
6
A couple of thunderstorms
66°
58°
7
Variable clouds with showers
66°
58°
8
An afternoon shower in spots
67°
57°
9
Decreasing clouds
67°
57°
10
Mostly cloudy
65°
54°
11
Couple of thunderstorms
66°
55°
12
Mostly sunny
67°
55°
13
Mostly sunny
68°
54°
14
Mostly sunny
66°
55°
15
Plenty of sun
69°
57°
16
Plenty of sun
69°
58°
17
Plenty of sunshine
68°
57°
18
Sunny
70°
55°
19
Plenty of sunshine
70°
58°
20
Plenty of sunshine
69°
59°
21
Mostly sunny
70°
58°
22
Partly sunny
69°
58°
23
Mostly sunny
70°
57°
24
Plenty of sunshine
69°
58°
25
Plenty of sun
69°
58°
26
Plenty of sun
68°
57°
27
A stray afternoon t-shower
69°
57°
28
Mostly cloudy with t-storms
68°
56°
29
Couple of thunderstorms
66°
54°
30
Mostly cloudy with t-storms
64°
55°
31
Sunshine and a few clouds
68°
53°
1
Sunshine and a few clouds
65°
54°
2
Partly sunny
68°
53°
3
Mostly cloudy with t-storms
64°
53°
4
A thunderstorm in the area
64°
52°
5
A stray morning thundershower
63°
55°

Temperature Graph

°F
70° 66° 62° 58° 54° 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 Stephens

St Stephens's August 2026 forecast shows daily high temperatures ranging from 63° to 70°, with overnight lows between 52° and 59°. The average high for August is 68° with an average low of 56°. 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 Stephens. See also: September | October | November.

Further Ahead

September 2026

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Top Stories

Hurricane

Arthur makes landfall in Texas, to raise flood risk across southern US

1 hour ago

Severe Weather

New severe weather outbreak with tornadoes unfolding for Midwest

1 hour ago

Weather News

Tropical Storm Arthur swamps cars in Texas as flood threat escalates

13 minutes ago

Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Tropical Storm Arthur may impact travel to Houston World Cup match

5 hours ago

Astronomy

Moon to align with 3 planets in the nights before the summer solstice

6 hours ago

More Stories

Featured Stories

Weather News

South Florida wildfire sending smoke into nearby communities

4 hours ago

Recreation

Free climber dies after falling into volcanic crater in Yemen

3 hours ago

Health

Pickle is the pumpkin spice of summer

1 day ago

Climate

A mysterious ‘cold blob’ in the ocean has puzzled scientists

5 days ago

Weather News

Submersible ride revealed whale graveyard. It holds more than bones

1 day ago

World Europe United Kingdom Cornwall St Stephens

Weather Near St Stephens:

  • Exeter, Devon
  • Plymouth, Plymouth
  • Torquay, Torbay
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...