Defiance, OH Weather Forecast

Local 7-day forecast

35°
F

Areas Of Frost

Track current conditions, temperature changes, wind, and the full daily outlook for Defiance, OH in one place.

Monday, October 19, 2026
Wind: 5 mph S
Overnight

Areas of frost after 4am. Clear, with a low around 35. South wind around 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Defiance, OH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 19, 2026 3:40 AM EDT.

The active forecast window currently covers Oct 19 to Oct 25, 2026 for Defiance, OH.

Page Snapshot

Page focus
city weather
Forecast window
Oct 19 to Oct 25, 2026
Latest sync
Oct 19, 2026 3:40 AM EDT
Forecast office
IWX
Source
NOAA / NWS
Next High
66°F
Monday
Next Low
35°F
Overnight
Rain Outlook
0
Periods mentioning precipitation
Windiest
0 to 10 mph
Friday

Daily Outlook

Today
Oct 19
Areas Of Frost then Sunny
66 °F
/ 35°F
Wind 0 to 5 mph
Tue
Oct 20
Sunny
68 °F
/ 42°F
Wind 0 to 5 mph
Wed
Oct 21
Sunny
68 °F
/ 41°F
Wind 0 mph
Thu
Oct 22
Sunny
69 °F
/ 45°F
Wind 0 to 5 mph
Fri
Oct 23
Sunny
65 °F
/ 41°F
Wind 0 to 10 mph
Sat
Oct 24
Sunny
65 °F
/ 43°F
Wind 0 to 5 mph
Sun
Oct 25
Mostly Sunny
69 °F
Wind 0 to 5 mph

This Week in Defiance

Thursday looks like the warmest upcoming period in Defiance at 69 degrees F.

Overnight is the coolest period ahead with temperatures near 35 degrees F.

The strongest winds are forecast for Friday at about 0 to 10 mph NE.

The forecast from Oct 19 through Oct 25 stays mostly dry.

Forecast Details

Last updated
Oct 19, 2026 3:40 AM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
IWX
Radar station
KIWX

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

Open NOAA source

Extended Forecast

Monday
Oct 19
66°F
Areas Of Frost then Sunny
0 to 5 mph S

Areas of frost before 9am. Sunny, with a high near 66. South wind 0 to 5 mph.

Monday Night
Oct 19
40°F
Mostly Clear
0 to 5 mph N

Mostly clear, with a low around 40. North wind 0 to 5 mph.

Tuesday
Oct 20
68°F
Sunny
0 to 5 mph NE

Sunny, with a high near 68. Northeast wind 0 to 5 mph.

Tuesday Night
Oct 20
42°F
Mostly Clear
0 to 5 mph NE

Mostly clear, with a low around 42. Northeast wind 0 to 5 mph.

Wednesday
Oct 21
68°F
Sunny
0 mph

Sunny, with a high near 68.

Wednesday Night
Oct 21
41°F
Mostly Clear
0 mph

Mostly clear, with a low around 41.

Thursday
Oct 22
69°F
Sunny
0 to 5 mph N

Sunny, with a high near 69.

Thursday Night
Oct 22
45°F
Mostly Clear
0 to 5 mph N

Mostly clear, with a low around 45.

Friday
Oct 23
65°F
Sunny
0 to 10 mph NE

Sunny, with a high near 65.

Friday Night
Oct 23
41°F
Mostly Clear
0 to 10 mph E

Mostly clear, with a low around 41.

Saturday
Oct 24
65°F
Sunny
0 to 5 mph SE

Sunny, with a high near 65.

Saturday Night
Oct 24
43°F
Partly Cloudy
0 to 5 mph SE

Partly cloudy, with a low around 43.

Sunday
Oct 25
69°F
Mostly Sunny
0 to 5 mph SW

Mostly sunny, with a high near 69.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Oct 19
Areas Of Frost
35°F
5 mph
S
Monday
Oct 19
Areas Of Frost then Sunny
66°F
0 to 5 mph
S
Monday Night
Oct 19
Mostly Clear
40°F
0 to 5 mph
N
Tuesday
Oct 20
Sunny
68°F
0 to 5 mph
NE
Tuesday Night
Oct 20
Mostly Clear
42°F
0 to 5 mph
NE
Wednesday
Oct 21
Sunny
68°F
0 mph
Wednesday Night
Oct 21
Mostly Clear
41°F
0 mph
Thursday
Oct 22
Sunny
69°F
0 to 5 mph
N
Thursday Night
Oct 22
Mostly Clear
45°F
0 to 5 mph
N
Friday
Oct 23
Sunny
65°F
0 to 10 mph
NE
Friday Night
Oct 23
Mostly Clear
41°F
0 to 10 mph
E
Saturday
Oct 24
Sunny
65°F
0 to 5 mph
SE
Saturday Night
Oct 24
Partly Cloudy
43°F
0 to 5 mph
SE
Sunday
Oct 25
Mostly Sunny
69°F
0 to 5 mph
SW
Defiance County Courthouse  southern side and front
Defiance County Courthouse southern side and front 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.