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Jefferson, WI 53549 Weather

Today: Sunny, high 65°F, low 35°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Jefferson, WI 53549 current weather

65°F

Sunny

Forecast for this hour. No recent report from a nearby station.

H 65° / L 35°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/29/2026, 11:21 AM PT

Hourly forecast

NWS, updated 10/29/2026, 11:21 AM PT

  1. Now65°
  2. 3 PM64°
  3. 4 PM63°
  4. 5 PM61°
  5. 6 PM57°
  6. 7 PM53°
  7. 8 PM50°
  8. 9 PM48°
  9. 10 PM47°
  10. 11 PM45°
  11. 12 AM43°Fri
  12. 1 AM43°
  13. 2 AM42°
  14. 3 AM40°
  15. 4 AM40°
  16. 5 AM39°
  17. 6 AM37°
  18. 7 AM36°
  19. 8 AM39°
  20. 9 AM43°
  21. 10 AM47°
  22. 11 AM51°
  23. 12 PM54°
  24. 1 PM55°
  25. 2 PM56°
  26. 3 PM57°
  27. 4 PM57°
  28. 5 PM56°
  29. 6 PM54°
  30. 7 PM50°13%
  31. 8 PM50°17%
  32. 9 PM49°15%
  33. 10 PM47°13%
  34. 11 PM47°11%
  35. 12 AM47°13%Sat
  36. 1 AM46°
  37. 2 AM47°
  38. 3 AM47°25%
  39. 4 AM46°33%
  40. 5 AM47°33%
  41. 6 AM47°49%
  42. 7 AM48°60%
  43. 8 AM48°60%
  44. 9 AM49°60%
  45. 10 AM53°60%
  46. 11 AM56°60%
  47. 12 PM56°60%
  48. 1 PM57°32%

10-day forecast

Tap a day for details

  • Today10/29Low 35°High 65°

    This Afternoon: Sunny, with a high near 65. Northwest wind around 10 mph.

    Tonight: Clear, with a low around 35. North wind 0 to 5 mph.

    Sunny
  • Fri10/3033% chance of precipitationLow 44°High 57°

    Friday: Partly sunny, with a high near 57. Northeast wind 0 to 5 mph.

    Friday Night: A chance of rain showers after 8pm. Mostly cloudy, with a low around 44. East wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Partly Sunny
  • Sat10/3160% chance of precipitationLow 45°High 59°

    Saturday: Rain showers likely. Cloudy, with a high near 59. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

    Saturday Night: A chance of rain showers before 7pm. Cloudy, with a low around 45. Southeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Rain Showers Likely
  • Sun11/114% chance of precipitationLow 50°High 67°

    Sunday: Partly sunny. High near 67, with temperatures falling to around 62 in the afternoon. Southeast wind 0 to 5 mph.

    Sunday Night: Mostly cloudy, with a low around 50. Southeast wind 0 to 5 mph.

    Partly Sunny
  • Mon11/265% chance of precipitationLow 55°High 66°

    Monday: A chance of rain showers. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.

    Monday Night: Rain showers likely before midnight, then showers and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

    Chance Rain Showers
  • Tue11/369% chance of precipitationLow 54°High 68°

    Tuesday: Rain showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.

    Tuesday Night: Rain showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Rain Showers Likely
  • Wed11/462% chance of precipitationLow 47°High 65°

    Wednesday: Rain showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.

    Rain Showers Likely
  • Thu11/5Model blend48% chance of precipitationLow 41°High 60°

    Thursday: Chance of rain. High near 60°. Low that night near 41°. About 0.07 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Fri11/6Model blend31% chance of precipitationLow 36°High 56°

    Friday: Chance of rain. High near 56°. Low that night near 36°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blend13% chance of precipitationLow 36°High 57°

    Saturday: Partly cloudy. High near 57°. Low that night near 36°. About 0.12 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 42.992, -88.797 from the NWS MKX office, updated 10/29/2026, 11:21 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KRYV (Watertown Muni, 13 mi), model run 10/29/2026, 9:00 AM CDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now65°Sunny0%10 mph
  2. 3 PM64°Sunny0%10 mph
  3. 4 PM63°Sunny0%10 mph
  4. 5 PM61°Sunny0%10 mph
  5. 6 PM57°Clear0%5 mph
  6. 7 PM53°Clear0%5 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Jefferson, WI 53549?
The National Weather Service forecast for this afternoon calls for a high near 65°F. Sunny.
Will it rain in Jefferson, WI 53549 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Jefferson, WI 53549?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 56°F to 60°F and up to a 48% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Jefferson, WI 53549 today?
Sunrise is about 7:26 AM CDT and sunset is about 5:51 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Jefferson, WI 53549?
At Jefferson Wwtp, the 1991 to 2020 normal high in October is 60°F and the normal low is 41°F.

Nearby hazards

Wisconsin hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: Tent Pole Fire (0 acres), WIBU 3 Fire (0 acres), Fisher Fire (0 acres), WIBU 4 Fire (0 acres), WIBU 6 Fire (0 acres)

UV and air quality forecast

EPA and AirNow

AQI forecast today (Kettle Moraine South)
GoodOzone
AQI forecast tomorrow (Kettle Moraine South)
GoodOzone

UV index guide · Air quality

Drought

By county

Jefferson County, week of 10/27/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
7:26 AM
Sunset
5:51 PM
Daylight
10 hr 25 min
Moon
Waning Gibbous 86% lit
First light (civil dawn)
6:56 AM
Last light (civil dusk)
6:20 PM
Moonrise
8:11 PM
Moonset
11:48 AM

Normal October weather

Climate

Normal October high 60°, low 41°, precipitation 3.12 in for the month. 1991 to 2020 normals at Jefferson Wwtp, 0 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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