Jefferson, IA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Jefferson, IA in one place.
Partly sunny, with a high near 65. North northeast wind around 9 mph.
Local Weather Overview
This forecast page for Jefferson, IA 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 13, 2026 7:38 PM CDT.
The active forecast window currently covers Oct 14 to Oct 19, 2026 for Jefferson, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 14 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 7:38 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson
Monday looks like the warmest upcoming period in Jefferson at 70 degrees F.
Friday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Friday at about 8 to 16 mph NNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 7:38 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KDMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms between 2am and 3am, then showers and thunderstorms likely. Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. East northeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers before 1pm, then showers and thunderstorms. Cloudy, with a high near 63. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers before 7pm. Mostly cloudy, with a low around 42. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunny, with a high near 57.
Areas of frost after 2am. Clear, with a low around 33.
Areas of frost before 8am. Sunny, with a high near 62.
Mostly clear, with a low around 43.
Sunny, with a high near 67.
Mostly cloudy, with a low around 48.
Partly sunny, with a high near 70.
Partly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Oct 14
|
Partly Sunny
|
65°F |
9 mph
NNE
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
52°F |
6 mph
ENE
|
|
Thursday
Oct 15
|
Rain Showers
|
63°F |
5 to 10 mph
NNE
|
|
Thursday Night
Oct 15
|
Rain Showers then Mostly Cloudy
|
42°F |
10 to 14 mph
NNW
|
|
Friday
Oct 16
|
Sunny
|
57°F |
8 to 16 mph
NNW
|
|
Friday Night
Oct 16
|
Clear then Areas Of Frost
|
33°F |
0 to 6 mph
NW
|
|
Saturday
Oct 17
|
Areas Of Frost then Sunny
|
62°F |
2 to 10 mph
SSW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
43°F |
9 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
67°F |
12 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Cloudy
|
48°F |
2 to 7 mph
SSW
|
|
Monday
Oct 19
|
Partly Sunny
|
70°F |
2 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
49°F |
2 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jefferson.
Nearby forecast pages are not available for this location yet.