Skip to content

Checked

Lancaster, WI Weather

It is 51°F and mostly cloudy in Lancaster, WI, observed at 10:55 PM CDT. Tonight: Rain Showers Likely, low 48°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).

Lancaster, WI current weather

51°F

Mostly Cloudy

H -- / L 48°Feels like 51°

Observed at Platteville Municipal Airport (17.1 mi away), 10/30/2026, 10:55 PM CDT

Hourly forecast

NWS, updated 10/30/2026, 6:57 PM PT

  1. Now53°31%
  2. 12 AM51°25%Sat
  3. 1 AM51°29%
  4. 2 AM50°37%
  5. 3 AM49°42%
  6. 4 AM50°51%
  7. 5 AM49°58%
  8. 6 AM49°66%
  9. 7 AM50°73%
  10. 8 AM49°74%
  11. 9 AM50°70%
  12. 10 AM52°69%
  13. 11 AM53°63%
  14. 12 PM53°53%
  15. 1 PM54°41%
  16. 2 PM56°36%
  17. 3 PM57°30%
  18. 4 PM57°22%
  19. 5 PM58°16%
  20. 6 PM57°10%
  21. 7 PM56°
  22. 8 PM55°
  23. 9 PM55°
  24. 10 PM55°
  25. 11 PM54°
  26. 12 AM54°Sun
  27. 1 AM53°
  28. 1 AM53°
  29. 2 AM52°
  30. 3 AM51°
  31. 4 AM51°11%
  32. 5 AM51°
  33. 6 AM50°
  34. 7 AM51°
  35. 8 AM53°
  36. 9 AM56°
  37. 10 AM58°
  38. 11 AM60°
  39. 12 PM61°13%
  40. 1 PM63°13%
  41. 2 PM64°13%
  42. 3 PM64°13%
  43. 4 PM63°13%
  44. 5 PM61°13%
  45. 6 PM60°
  46. 7 PM59°
  47. 8 PM58°
  48. 9 PM57°

7-day forecast

Tap a day for details

  • Today10/3058% chance of precipitationLow 48°High

    Tonight: Rain showers likely. Cloudy, with a low around 48. Southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

    Rain Showers Likely
  • Sat10/3174% chance of precipitationLow 49°High 58°

    Saturday: Rain showers likely. Cloudy, with a high near 58. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

    Saturday Night: Mostly cloudy. Low around 49, with temperatures rising to around 51 overnight. Southeast wind 2 to 6 mph. New rainfall amounts less than a tenth of an inch possible.

    Rain Showers Likely
  • Sun11/113% chance of precipitationLow 52°High 64°

    Sunday: Partly sunny, with a high near 64. Southeast wind 3 to 7 mph.

    Sunday Night: Mostly cloudy, with a low around 52. Southeast wind 3 to 7 mph.

    Partly Sunny
  • Mon11/291% chance of precipitationLow 57°High 65°

    Monday: Rain showers. Cloudy, with a high near 65. Southeast wind 7 to 17 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Monday Night: Showers and thunderstorms. Cloudy, with a low around 57. Southeast wind around 20 mph. Chance of precipitation is 90%.

    Rain Showers
  • Tue11/390% chance of precipitationLow 52°High 66°

    Tuesday: Rain showers. Mostly cloudy, with a high near 66. South wind 12 to 17 mph. Chance of precipitation is 90%.

    Tuesday Night: Rain showers likely. Mostly cloudy, with a low around 52. Southwest wind 6 to 12 mph. Chance of precipitation is 60%.

    Rain Showers
  • Wed11/453% chance of precipitationLow 48°High 63°

    Wednesday: A chance of rain showers. Mostly cloudy, with a high near 63. Northwest wind around 7 mph. Chance of precipitation is 50%.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 48. North wind around 6 mph. Chance of precipitation is 30%.

    Chance Rain Showers
  • Thu11/521% chance of precipitationLow 43°High 60°

    Thursday: A slight chance of rain showers. Mostly cloudy, with a high near 60. North wind 6 to 9 mph. Chance of precipitation is 20%.

    Thursday Night: Mostly cloudy, with a low around 43. North wind around 7 mph.

    Slight Chance Rain Showers
  • Fri11/613% chance of precipitationLow High 57°

    Friday: Partly sunny, with a high near 57. North wind 5 to 8 mph.

    Partly Sunny

Forecast for 42.846, -90.704 from the NWS ARX office, updated 10/30/2026, 6:57 PM PT · Official forecast on weather.gov

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. Now53°Chance Rain Showers31%8 mph
  2. 12 AM51°Chance Rain Showers25%8 mph
  3. 1 AM51°Chance Rain Showers29%7 mph
  4. 2 AM50°Chance Rain Showers37%8 mph
  5. 3 AM49°Chance Rain Showers42%8 mph
  6. 4 AM50°Chance Rain Showers51%9 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 weather in Lancaster, WI right now?
The latest observation from Platteville Municipal Airport was 51°F and mostly cloudy, reported at 10/30/2026, 10:55 PM CDT.
Will it rain in Lancaster, WI in the next 24 hours?
The hourly forecast shows a 51% chance of precipitation around 10/31/2026, 4:00 AM CDT.
What time is sunrise and sunset in Lancaster, WI today?
Sunrise is about 7:34 AM CDT and sunset is about 5:57 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Lancaster, WI?
At Lancaster 4 Wsw, the 1991 to 2020 normal high in October is 59°F and the normal low is 39°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.63 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

Wisconsin hazards

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

  • Severe storm outlook today:General thunderstormsOutlook 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: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast tomorrow (Driftless Area South)
ModeratePM2.5
AQI forecast tomorrow (Driftless Area South)
ModeratePM2.5

UV index guide · Air quality

Drought

By county

Grant County, week of 10/27/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
7:34 AM
Sunset
5:57 PM
Daylight
10 hr 23 min
Moon
Waning Gibbous 74% lit
First light (civil dawn)
7:05 AM
Last light (civil dusk)
6:27 PM
Moonrise
9:32 PM
Moonset
12:57 PM

Normal October weather

Climate

Normal October high 59°, low 39°, precipitation 2.90 in for the month. 1991 to 2020 normals at Lancaster 4 Wsw, 4 mi away.

Other places nearby

Data sources

See something wrong? Request a correction

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.

Forecasts, observations and alerts come from the National Weather Service (api.weather.gov). Data can be delayed by minutes to hours, and an observation station may be miles from the place named on this page. This site is not affiliated with NOAA or the National Weather Service.

DatenUS is a private website and is not affiliated with or endorsed by any government agency. We republish public data from the sources listed on this page. Data can be incomplete, delayed or wrong. Always check the original source before you make a decision.

Our servers read this data automatically from government sources. Errors can come from the source itself or from the way we read, process or display it, and we do not guarantee that it is accurate, complete or current. Verify anything important with the official source.

Report an errorRead the full disclaimer