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La Crosse Technology C85845

La Crosse Technology C85845

Wireless Color Forecast Station w/ Alerts
Model: C85845
Our Price: $64.95
In Stock - Expected To Ship On or before Tomorrow, 01/21/2022
See Cart for Delivery Date & Shipping Options
Lithium Batteries for Wireless Sensor (Recommended) Help Me DecideHelp Me Decide
Enclosure for Outdoor Sensor (Recommended) Help Me DecideHelp Me Decide


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The La Crosse Technology C85845 Wireless Color Forecast Station features an atomic clock that provides real-time weather data straight from your backyard. Easily monitor forecast and temperature trends, as well as program high/low temperature alerts. Animated color forecasts react to changing barometric pressure. Monitor indoor and outdoor temperature and humidity with daily MIN/MAX records - all on one easy-to-read color display with adjustable brightness. Unobstructed wireless transmission range of over 300 feet (91 meters) from remote sensor to forecast station.
  • Radio control time/date (can set manually)
  • Hour and minute display
  • Weekday & month/date display
  • Indoor temperature display with daily MIN/MAX (ºF or ºC)
  • Indoor humidity display (%RH)
  • Outdoor temperature display with daily MIN/MAX (ºF or ºC)
  • Outdoor humidity display (%RH)
  • MIN/MAX data automatically resets daily at midnight
  • Indoor/outdoor temperature & humidity trend indicators (rising or falling)
  • Heat index & dew point (ºF or ºC)
  • Color forecast icon (sunny, partly sunny, cloudy, rain, storm)
  • Forecast based on changing barometric pressure
  • Forecast tendency indicator (rising/falling)
  • Customizable IN/OUT temperature alarm
  • Low battery indicator for sensor & receiver
  • Signal strength icon for sensor transmission
  • Time alarm with snooze
  • 12 or 24 hour time mode
  • Illuminated color display with three different backlight settings (HI/LOW/OFF). When display is powered with the included AC adapter, the backlight can be configured to remain on continuously. When powered by batteries, the backlight will remain on momentarily for 10 seconds when the BACKLIGHT button is pressed
  • Sits on desktop or tabletop
  • One TX141TH-Bv2 remote sensor included
  • Indoor temp range: 32.0 to 122.0°F (0 to 50°C)
  • Outdoor temp range: -40.0 to 140.0°F (-40.0 to 60.0°C)
  • Indoor temp/humidity sampling rate: every 30 seconds
  • Outdoor temp/humidity sampling rate: every 50 seconds
  • Humidity Range: 10%-99% (RH)
  • Humidity resolution: 1%
  • Power requirements (receiver): AC Adapter with 3 AA Alkaline batteries for backup
  • Power requirements (sensor): 2 AA alkaline batteries*
  • Battery life (receiver): up to 3 years with AC adapter in use
  • Battery life (sensor): over 1 year
  • Transmission Frequency: 433 MHz
  • Transmission Range: Up to 300 feet open air

* Lithium batteries recommended for temperatures below -4F/-20C

  • Console: 8.98" x 5.43" x 1.0" (228mm x 138mm x 260mm)
  • Sensor: 2.4" x 1.3" x 3.78" (64mm x 36mm x 101mm)


Average Customer Rating 4.8 5 stars (based on 148 reviews)

Displaying reviews 1-10 of 148
By Jim
From Delmar, NY
4 stars Nicely backlit.
Happy so far. Only wished longer range weather was better laid out.
By Paul
From Oregon City, OR
4 stars 2 weeks and my wife and I are very happy with it.
I would like it to have a wider screen angle view. I like that the Inner and outer temperatures are clearly separated and it is a great improvement to our older Lacrosse model.
By Lin
From Austin, TX
4 stars Exactly what I wanted
Bought this to replace a smaller, cheaper unit that perished during the Texas snowpocalypse 2021. I like it. The unit is good sized with a simple, easy to read screen. The separate sensor seems to work just fine and so far isn't a battery eater. I didn't want anything complicated-just indoor and outdoor temps and humidity readings, and this unit does the job. I'm using the power supply so can't speak to battery life. One minus is that if power is lost for any time at all, the unit resets and all settings must be reconfigured. I suppose I'll put a set of batteries in to avoid that in the future. Otherwise, no complaints.
By Sandra
From Cape Charles, VA
5 stars Great product
Numbers are easy to see from a distance.
By Gene
From Fort Collins, CO
3 stars La Crosse Wireless Color Weather Station
I returned the Wireless Color Weather Station (C85845) because I needed a weather station that worked on batteries alone. I do not have a plug to plug in the cord and was looking for one similar to my old La Crosse that worked on batteries that I changed maybe once per year. I probably would have given 5 stars but the description when I purchased the weather station really didn't indicate it needed to be plugged in.
By Ron
5 stars Nice Unit
Super easy to set up. Took me approx. 10 minutes from unpacking, battery install, to what I wanted to display. (Did not initiate alerts)
By Karen
From Colorado Springs, CO
5 stars Great Product
This is easy to set up and easy to read! We accidentally dropped and broke the first one we owned, so we were delighted to find the same model still available for purchase. Working great.
By Richard E
From Rochester, MN
5 stars very good unit very easy to read rather easy to set up.
This is the second unit i have had from LaCrosse and it is much easier to read and set up. very nice unit. very accurate and easy to read.
By Barry
From Lyle, WA
5 stars So happy with this unit!
My wife asked me to get her a weather station for Mother's Day, so I picked out the La Crosse C85845. It arrived, I set it up and she is so happy to have the weather info at her fingertips. I have owned 3 weather stations before this one, but the La Crosse C85845 is head and shoulders superior to all the previous ones. The temps are super accurate, which none of the others could come close to matching. Both my wife and I are very happy with this very nice and accurate weather station, it's a WINNER!!
By Randy
From Beverly, MA
5 stars Excellent product. Has every feature I want in a thermometer
I have two of these thermometers. I initially bought one and took some time to see if it was a reliable product. After a period of time I decided that it was excellent so I bought a second one. I am happy with the performance and quality of the thermometer.


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