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

St Just, Cornwall

57°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St Just

Cornwall

57°
No results found.
Try searching for a city, zip code or point of interest.
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 Just, 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

May

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
59°
46°
27
66°
46°
28
57°
46°
29
61°
45°
30
57°
52°
1
59°
52°
2
55°
48°
3
59°
48°
4
59°
46°
5
59°
48°
6
57°
46°
7
57°
41°
8
61°
46°
9
63°
54°
10
61°
46°
11
55°
45°
12
57°
48°
13
55°
48°
14
52°
46°
15
54°
46°
16
57°
48°
17
54°
48°
18
55°
48°
19
A couple of showers
57°
53°
20
Mostly cloudy with a shower
58°
55°
21
Times of clouds and sun
60°
55°
22
Cloudy, a shower in the p.m.
58°
55°
23
Partly sunny and nice
63°
56°
24
Sunny and delightful
65°
56°
25
Plenty of sun
70°
60°
26
Mostly sunny
69°
58°
27
Plenty of sun
67°
56°
28
Cloudy
64°
54°
29
Mostly sunny
62°
52°
30
Times of clouds and sun
60°
53°
31
A morning shower in places
61°
52°
1
Cloudy
55°
54°
2
Cloudy
54°
53°
3
A little afternoon rain
55°
54°
4
Cloudy
55°
54°
5
Cloudy
56°
55°
6
Sunshine
58°
56°

Temperature Graph

°F
70° 64° 58° 52° 46° May
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

May Weather in St Just

St Just's May 2026 forecast shows daily high temperatures ranging from 54° to 70°, with overnight lows between 52° and 60°. The average high for May is 60° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in St Just. See also: June | July | August.

Further Ahead

June 2026

July 2026

August 2026

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Top Stories

Severe Weather

Dangerous storms loom for millions from Texas to the Northeast

5 hours ago

Weather Forecasts

Heat wave to complete spring weather whiplash, worsen drought in East

5 hours ago

Storm chaser captures towering tornado developing in central Nebraska

15 hours ago 0:30

Severe Weather

Tornadoes charge through Plains, Midwest, ripping apart homes in Nebra...

20 hours ago

Weather Forecasts

Memorial Day weekend: Downpours, storms from Texas to New England

46 minutes ago

More Stories

Featured Stories

Astronomy

SpaceX poised for first Starship flight test of 2026 following delays

1 hour ago

Why some tornado warnings are more dangerous

1 day ago 0:56

Severe Weather

10 types of tornadoes that occur in the US

1 day ago

Severe Weather

Does a green sky mean a tornado is coming?

1 day ago

Climate

Turkmenistan's fiery 'Gates of Hell' crater is dimming

4 days ago

World Europe United Kingdom Cornwall St Just

Weather Near St Just:

  • Falmouth, Cornwall
  • Penzance, Cornwall
  • Truro, Cornwall
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

...

...

...