The accuracy specifications listed on this page apply to the majority of AcuRite products, however, the exact specifications for individual products can be found in the product's user manual.
Analog Weather Product Accuracy
Temperature Range
Tolerance
-60 to 0 degrees Fahrenheit
+/- 4 degrees Fahrenheit
1 to 32 degrees Fahrenheit
+/- 3 degrees Fahrenheit
33 to 80 degrees Fahrenheit
+/- 2 degrees Fahrenheit
81 to 105 degrees Fahrenheit
+/- 3 degrees Fahrenheit
106 to 140 degrees Fahrenheit
+/- 4 degrees Fahrenheit
Humidity Range
Tolerance
1% to 99% Relative Humidity
+/- 10% Relative Humidity
Barometric Pressure
Tolerance
inHg or hpa
+/- 0.50 inHg
Clock Accuracy
Clock Type
Tolerance
Digital Clock (non-atomic)
+/- 45 seconds per month
Atomic Digital Clock
Split-second accuracy
Cooking Thermometer Accuracy
Thermometer Type
Tolerance
Analog
+/- 3 degrees Fahrenheit
Digital
+/- 2 degrees Fahrenheit
Oven
+/- 5 degrees Fahrenheit from 300 to 400 degrees Fahrenheit;
+/- 10 degrees Fahrenheit less than 300 & over 400 degrees Fahrenheit
Digital Weather Product Accuracy
Temperature Range
Tolerance
68 to 75 degrees Fahrenheit
+/- 1 degrees Fahrenheit
32 to 122 degrees Fahrenheit
+/- 2 degrees Fahrenheit
-40 to 32 degrees Fahrenheit
122 to 158 degrees Fahrenheit
+/- 4 degrees Fahrenheit
Humidity Range
Tolerance
1% to 10% Relative Humidity
+/- 5% relative humidity
11% to 20% Relative Humidity
+/- 4% relative humidity
21% to 80% Relative Humidity
+/- 3% relative humidity
81% to 90% Relative Humidity
+/- 4% relative humidity
91% to 99% Relative Humidity
+/- 5% relative humidity
Wind Speed
Tolerance
Below 10 miles per hour
+/- 2 miles per hour
10 to 30 miles per hour
+/- 3 miles per hour
31 to 50 miles per hour
+/- 4 miles per hour
51 to 99 miles per hour
+/- 5 miles per hour
Rainfall
Tolerance
Per 1 inch
+/- .05 inches
Barometric Pressure
Tolerance
inHg or hpa
+/- 0.15 inHg (+/- 5 mbar) after Learning Mode has completed