Window Thermometer - $14
La Crosse Technology WS-1025 Digital Window Thermometer.
Digital outdoor window thermometer from La Crosse; mounts flat against window with adhesive strip for outdoor temperature reading.
Weather-resistant construction with UV shield protection; clear screen with easy-to-read digital display
Displays current, maximum, and minimum temperatures to the tenth of a degree; min and max temperatures reset daily
With readings from -13 to +158 degrees F with accuracy of +/-1.5 degrees F; requires separate purchase of 1 AAA battery
Measures 4 inches wide by 3/4 inch deep by 3-3/4 inches high; limited 1-year warranty