Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Newsletters
  • Advertising
  • Superior Accuracy™
Tropical Storm Erick to rapidly strengthen, may become major hurricane Chevron right
Heat wave to push temps near 100 F across central, eastern US Chevron right

Cardiff, DE

70°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cardiff

Delaware

70°
No results found.
Try searching for a city, zip code or point of interest.
settings
Cardiff, DE Weather
Today WinterCast Local {stormName} Tracker Hourly Daily 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

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities
Heat Advisory

June 18 - August 1

Wed 6/18

84° /70°
70%
Humid with variable cloudiness; an afternoon thunderstorm in the area; storms can bring flooding downpours and localized damaging wind gusts

RealFeel®94°

RealFeel Shade™89°

Max UV Index11 (Extreme)

WindS 8 mph

Thu 6/19

90° /67°
55%
Intervals of clouds and sunshine, breezy and humid with a heavy thunderstorm late in the afternoon; thunderstorms can bring hail and damaging winds
alerts

Heat Advisory

11:00 AM Thursday - 8:00 PM Thursday

RealFeel®96°

RealFeel Shade™91°

Max UV Index11 (Extreme)

WindSW 14 mph

Fri 6/20

87° /65°
1%
Less humid with sunshine and a few clouds

RealFeel®92°

RealFeel Shade™84°

Max UV Index11 (Extreme)

WindW 6 mph

Sat 6/21

88° /69°
2%
Mostly sunny

RealFeel®96°

RealFeel Shade™87°

Max UV Index11 (Extreme)

WindSW 6 mph

Sun 6/22

94° /78°
2%
Hot with partial sunshine

RealFeel®100°

RealFeel Shade™96°

Max UV Index11 (Extreme)

WindWSW 8 mph

Mon 6/23

98° /80°
1%
Very hot with sizzling sunshine; hottest day since last summer; be sure to stay hydrated

RealFeel®108°

RealFeel Shade™101°

Max UV Index11 (Extreme)

WindNW 6 mph

Tue 6/24

97° /79°
1%
Very hot with hazy sunshine; stay hydrated with temperatures remaining dangerously high

RealFeel®104°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindWNW 5 mph

Wed 6/25

93° /78°
2%
Mostly sunny and hot; heat wave continues; no relief for days

RealFeel®97°

RealFeel Shade™91°

Max UV Index11 (Extreme)

WindWNW 6 mph

Thu 6/26

97° /75°
4%
Very hot with sunshine and a few clouds

RealFeel®107°

RealFeel Shade™103°

Max UV Index11 (Extreme)

WindW 5 mph

Fri 6/27

92° /74°
1%
Partly sunny, hot and humid

RealFeel®97°

RealFeel Shade™92°

Max UV Index7 (High)

WindSSW 8 mph

Sat 6/28

93° /76°
65%
Partly sunny and hot; a couple of thunderstorms in the afternoon

RealFeel®94°

RealFeel Shade™90°

Max UV Index11 (Extreme)

WindSW 12 mph

Sun 6/29

91° /72°
63%
Mostly cloudy and hot; a little morning rain followed by a couple of thunderstorms in the afternoon

RealFeel®98°

RealFeel Shade™95°

Max UV Index9 (Very High)

WindWSW 7 mph

Mon 6/30

86° /72°
61%
Mostly cloudy with a little rain in the afternoon

RealFeel®92°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindNNE 4 mph

Tue 7/1

85° /70°
20%
Partly sunny and less humid

RealFeel®93°

RealFeel Shade™84°

Max UV Index11 (Extreme)

WindSSE 4 mph

Wed 7/2

84° /71°
57%
A couple of morning showers; otherwise, mostly cloudy and humid

RealFeel®91°

RealFeel Shade™91°

Max UV Index4 (Moderate)

WindS 4 mph

Thu 7/3

87° /72°
65%
A couple of morning showers and a thunderstorm; otherwise, cloudy and humid

RealFeel®92°

RealFeel Shade™92°

Max UV Index2 (Low)

WindWSW 5 mph

Fri 7/4

86° /72°
30%
Variable clouds with a thunderstorm possible; humid

RealFeel®95°

RealFeel Shade™92°

Max UV Index8 (Very High)

WindN 4 mph

Sat 7/5

87° /71°
25%
Sun followed by clouds and humid

RealFeel®95°

RealFeel Shade™94°

Max UV Index5 (Moderate)

WindSE 2 mph

Sun 7/6

87° /72°
25%
Rather cloudy and humid

RealFeel®94°

RealFeel Shade™94°

Max UV Index4 (Moderate)

WindSE 2 mph

Mon 7/7

88° /73°
25%
Partly sunny and humid

RealFeel®99°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindSW 2 mph

Tue 7/8

90° /73°
40%
Partly sunny and uncomfortably humid; a thunderstorm in spots in the afternoon

RealFeel®99°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindS 7 mph

Wed 7/9

89° /72°
60%
A couple of morning showers; otherwise, humid with times of clouds and sun

RealFeel®97°

RealFeel Shade™95°

Max UV Index7 (High)

WindSW 6 mph

Thu 7/10

86° /73°
25%
Humid with episodes of sunshine

RealFeel®93°

RealFeel Shade™89°

Max UV Index6 (High)

WindSSW 6 mph

Fri 7/11

86° /73°
25%
Mostly cloudy and humid

RealFeel®92°

RealFeel Shade™89°

Max UV Index3 (Moderate)

WindSW 7 mph

Sat 7/12

87° /74°
63%
A couple of showers in the morning; otherwise, very humid with times of sun and clouds

RealFeel®95°

RealFeel Shade™93°

Max UV Index5 (Moderate)

WindSSW 9 mph

Sun 7/13

87° /73°
20%
Uncomfortably humid with sunshine and a few clouds

RealFeel®95°

RealFeel Shade™92°

Max UV Index11 (Extreme)

WindSSW 13 mph

Mon 7/14

90° /73°
65%
A couple of morning showers and a thunderstorm; otherwise, cloudy and humid

RealFeel®98°

RealFeel Shade™98°

Max UV Index3 (Moderate)

WindWSW 5 mph

Tue 7/15

85° /72°
55%
Intervals of clouds and sunshine; a passing morning shower followed by a thunderstorm in spots in the afternoon

RealFeel®91°

RealFeel Shade™90°

Max UV Index5 (Moderate)

WindNNW 2 mph

Wed 7/16

86° /73°
41%
Very humid with considerable cloudiness; a shower in spots in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®94°

RealFeel Shade™94°

Max UV Index3 (Moderate)

WindS 7 mph

Thu 7/17

87° /74°
60%
A passing shower in the morning; otherwise, partly sunny and very humid

RealFeel®98°

RealFeel Shade™95°

Max UV Index10 (Very High)

WindSW 7 mph

Fri 7/18

88° /73°
56%
Cloudy and very humid; a passing morning shower followed by a thunderstorm in spots in the afternoon

RealFeel®97°

RealFeel Shade™96°

Max UV Index3 (Moderate)

WindWSW 5 mph

Sat 7/19

86° /74°
20%
Partly sunny and uncomfortably humid

RealFeel®96°

RealFeel Shade™92°

Max UV Index10 (Very High)

WindSSW 7 mph

Sun 7/20

90° /74°
10%
Sunny and humid

RealFeel®98°

RealFeel Shade™95°

Max UV Index10 (Very High)

WindSSW 9 mph

Mon 7/21

90° /73°
65%
A couple of morning showers; otherwise, cloudy and humid

RealFeel®99°

RealFeel Shade™99°

Max UV Index3 (Moderate)

WindWSW 5 mph

Tue 7/22

86° /73°
57%
A couple of morning showers; otherwise, mostly cloudy and very humid

RealFeel®95°

RealFeel Shade™94°

Max UV Index5 (Moderate)

WindS 4 mph

Wed 7/23

86° /74°
59%
A couple of showers in the morning; otherwise, cloudy and very humid

RealFeel®94°

RealFeel Shade™94°

Max UV Index3 (Moderate)

WindSSW 6 mph

Thu 7/24

87° /74°
57%
A passing morning shower; otherwise, very humid with intervals of clouds and sunshine

RealFeel®96°

RealFeel Shade™94°

Max UV Index10 (Very High)

WindSSW 9 mph

Fri 7/25

89° /73°
63%
Mainly cloudy with a couple of showers and a thunderstorm; very humid

RealFeel®99°

RealFeel Shade™97°

Max UV Index4 (Moderate)

WindSW 5 mph

Sat 7/26

85° /73°
57%
Considerable cloudiness and very humid with a couple of thunderstorms

RealFeel®93°

RealFeel Shade™93°

Max UV Index2 (Low)

WindSSW 6 mph

Sun 7/27

85° /72°
65%
A couple of morning showers and a thunderstorm; otherwise, cloudy and humid

RealFeel®93°

RealFeel Shade™93°

Max UV Index2 (Low)

WindSSW 5 mph

Mon 7/28

86° /73°
25%
Humid with sun followed by increasing clouds

RealFeel®94°

RealFeel Shade™93°

Max UV Index5 (Moderate)

WindW 2 mph

Tue 7/29

88° /74°
25%
Mostly cloudy and uncomfortably humid

RealFeel®97°

RealFeel Shade™96°

Max UV Index5 (Moderate)

WindWSW 6 mph

Wed 7/30

90° /74°
25%
Turning cloudy and uncomfortably humid

RealFeel®99°

RealFeel Shade™98°

Max UV Index7 (High)

WindW 6 mph

Thu 7/31

89° /73°
55%
A couple of showers in the morning; otherwise, very warm and very humid with clouds giving way to some sun

RealFeel®101°

RealFeel Shade™98°

Max UV Index9 (Very High)

WindWSW 6 mph

Fri 8/1

85° /68°
63%
Periods of rain

RealFeel®85°

RealFeel Shade™83°

Max UV Index4 (Moderate)

WindNNE 8 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Deadly West Virginia flooding won't be the last of this week

16 hours ago

Severe Weather

Rounds of severe storms to continue in central and eastern US

11 hours ago

Recreation

Tourist falls trying to view Kilauea eruption

1 day ago

Weather Forecasts

Heat wave to push temps near 100 F across central, eastern US

14 hours ago

Astronomy

Will the Aurora Borealis be visible this week?

1 day ago

More Stories

Featured Stories

Recreation

Northern US states try to woo travelers with ‘Canadians-only’ deals

1 day ago

Astronomy

Summer solstice: Everything to know about the year's longest day

1 week ago

Weather News

5 times the American flag survived extreme weather

1 day ago

Weather News

Reopening a 688-year-old murder case

1 day ago

Weather News

6,000-year-old skeletons found in Colombia have unique DNA

1 day ago

World North America United States Delaware Cardiff

Weather Near Cardiff:

  • Allentown, PA
  • Philadelphia, PA
  • Trenton, NJ
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ 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 Winter Center
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ 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 Winter Center
© 2025 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

...

...

...