State of Maine
Harbormasters Association 

Weather Calculators

Temperature Conversion
Enter a number, then click on the appropriate button to see the result.

Fahrenheit ( o F )
Celsius (°C)
Celsius ( o C )
Fahrenheit (o F)

Windchill Calculation

Temp
(o F)		 Wind
Speed
(mph)
Wind chill =
Temp
(o C)		 Wind
Speed
(mph)
Wind chill =

Relative Humidity Calculation

Temp
(°F )		 Dew
Point
(°F)
Relative Humidity =
Temp
(°C)		 Dew
Point
(°C )
Relative Humidity =

Heat Index Calculation

Valid entries are, air temperatures greater than 80 °F ( 27 °C ), dew point temperatures greater than 65 °F ( 12 °C ), and relative humidity's higher than 40 percent.

Temp
(°F )		 Dew
Point
(°F)
  RH =
Temp
(°C)		 Dew
Point
(°C )
  RH =
Temp
(°F )		 Relative
Humidity
(%)
Heat Index =
Dew Point =
Temp
(°C)		 Relative
Humidity
(%)
Heat Index =
Dew Point =