Delaware County, IA Weather Forecast

County weather hub

56°
F

Mostly Cloudy

Compare major city weather across Delaware County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Sunday, May 31, 2026
Wind: 10 mph E
Overnight

Mostly cloudy. Low around 56, with temperatures rising to around 58 overnight. East wind around 10 mph, with gusts as high as 20 mph.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Delaware County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 1 of 1 mapped cities in Delaware County.

Page Snapshot

Page focus
county weather
Forecast window
May 31 to Jun 6, 2026
Latest sync
May 31, 2026 6:46 AM CDT
Forecast office
DVN
Source
NOAA / NWS
Next High
78°F
Sunday
Next Low
56°F
Overnight
Rain Outlook
8
Periods mentioning precipitation
Windiest
10 to 15 mph
Thursday

Daily Outlook

Today
May 31
Slight Chance Showers And Thunderstorms
78 °F
/ 56°F
Wind 10 mph
Mon
Jun 1
Slight Chance Showers And Thunderstorms then Mostly Sunny
80 °F
/ 54°F
Wind 5 to 10 mph
Tue
Jun 2
Sunny
81 °F
/ 53°F
Wind 5 to 10 mph
Wed
Jun 3
Sunny
82 °F
/ 58°F
Wind 5 to 10 mph
Thu
Jun 4
Mostly Sunny
85 °F
/ 62°F
Wind 10 to 15 mph
Fri
Jun 5
Chance Showers And Thunderstorms
86 °F
/ 64°F
Wind 10 to 15 mph
Sat
Jun 6
Chance Showers And Thunderstorms
86 °F
Wind 10 mph

This Week in Delaware County

Friday looks like the warmest upcoming period in Delaware County at 86 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 53 degrees F.

The strongest winds are forecast for Thursday at about 10 to 15 mph S.

Precipitation is mentioned in 8 upcoming forecast periods.

Forecast Details

Last updated
May 31, 2026 6:46 AM CDT
Coverage
7 days
Time zone
America/Chicago
Forecast office
DVN
Radar station
KDVN

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Sunday
May 31
78°F
Slight Chance Showers And Thunderstorms
10 mph SE

A slight chance of showers and thunderstorms between 10am and 11am, then a chance of showers and thunderstorms between 11am and noon, then a slight chance of showers and thunderstorms between noon and 5pm. Mostly cloudy. High near 78, with temperatures falling to around 76 in the afternoon. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Sunday Night
May 31
58°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
5 to 10 mph E

A slight chance of showers and thunderstorms between midnight and 3am, then a chance of showers and thunderstorms between 3am and 4am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 58, with temperatures rising to around 60 overnight. East wind 5 to 10 mph. Chance of precipitation is 30%.

Monday
Jun 1
80°F
Slight Chance Showers And Thunderstorms then Mostly Sunny
5 to 10 mph E

A slight chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 80. East wind 5 to 10 mph. Chance of precipitation is 20%.

Monday Night
Jun 1
54°F
Slight Chance Rain Showers
5 to 10 mph E

A slight chance of rain showers between 7pm and 1am. Mostly clear, with a low around 54.

Tuesday
Jun 2
81°F
Sunny
5 to 10 mph E

Sunny, with a high near 81.

Tuesday Night
Jun 2
53°F
Mostly Clear
5 mph SE

Mostly clear, with a low around 53.

Wednesday
Jun 3
82°F
Sunny
5 to 10 mph S

Sunny, with a high near 82.

Wednesday Night
Jun 3
58°F
Partly Cloudy
5 mph S

Partly cloudy, with a low around 58.

Thursday
Jun 4
85°F
Mostly Sunny
10 to 15 mph S

Mostly sunny, with a high near 85.

Thursday Night
Jun 4
62°F
Chance Showers And Thunderstorms
10 mph SW

A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

Friday
Jun 5
86°F
Chance Showers And Thunderstorms
10 to 15 mph SW

A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.

Friday Night
Jun 5
64°F
Chance Showers And Thunderstorms
10 mph S

A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

Saturday
Jun 6
86°F
Chance Showers And Thunderstorms
10 mph S

A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.

Detailed Forecast

Period Conditions Temp Wind
Overnight
May 31
Mostly Cloudy
56°F
10 mph
E
Sunday
May 31
Slight Chance Showers And Thunderstorms
78°F
10 mph
SE
Sunday Night
May 31
Mostly Cloudy then Slight Chance Showers And Thunderstorms
58°F
5 to 10 mph
E
Monday
Jun 1
Slight Chance Showers And Thunderstorms then Mostly Sunny
80°F
5 to 10 mph
E
Monday Night
Jun 1
Slight Chance Rain Showers
54°F
5 to 10 mph
E
Tuesday
Jun 2
Sunny
81°F
5 to 10 mph
E
Tuesday Night
Jun 2
Mostly Clear
53°F
5 mph
SE
Wednesday
Jun 3
Sunny
82°F
5 to 10 mph
S
Wednesday Night
Jun 3
Partly Cloudy
58°F
5 mph
S
Thursday
Jun 4
Mostly Sunny
85°F
10 to 15 mph
S
Thursday Night
Jun 4
Chance Showers And Thunderstorms
62°F
10 mph
SW
Friday
Jun 5
Chance Showers And Thunderstorms
86°F
10 to 15 mph
SW
Friday Night
Jun 5
Chance Showers And Thunderstorms
64°F
10 mph
S
Saturday
Jun 6
Chance Showers And Thunderstorms
86°F
10 mph
S

Major City Forecasts

Live forecast snapshots for major cities across Delaware County.

Coverage

Tracked cities
1
Coverage
100%

Forecast coverage currently spans 1 of 1 mapped cities in Delaware County.

Largest mapped city population in this region: 5,004.

Delaware County Courthouse
Delaware County Courthouse image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.