Weather Calculators
45 free weather calculators in Other. The first 3 have a full write-up: the method, a worked example and questions specific to that calculator.
- Dew Point CalculatorFind dew point from temperature and relative humidity, plus comfort level.
- Heat Index CalculatorCalculate the heat index from temperature and humidity, with heat risk level.
- Wind Chill CalculatorCalculate the wind chill 'feels like' temperature and frostbite risk.
- Apparent Temperature CalculatorCalculate feels-like temperature from heat or wind.
- Barometric Pressure TrendInterpret barometric pressure changes.
- Beaufort Scale CalculatorConvert wind speed to Beaufort scale.
- Cloud Cover CalculatorInterpret cloud cover percentages.
- Cold Weather Safety CalculatorCheck cold weather safety limits.
- Cooling Degree Days CalculatorCalculate cooling degree days for energy use.
- Daylight Hours CalculatorCalculate hours of daylight for any date.
- Evaporation Rate CalculatorEstimate water evaporation by temperature and wind.
- Extreme Heat Index CheckerCheck heat index against danger thresholds.
- Flying Weather CheckerCheck weather for flying conditions.
- Fog Formation CalculatorEstimate fog formation from temperature and dew point.
- Frost Risk Date CalculatorEstimate first and last frost dates for your area.
- Growing Season CalculatorEstimate your growing season length.
- Heat Safety CalculatorCheck heat safety limits and warning levels.
- Heating Degree Days CalculatorCalculate heating degree days for energy use.
- Humidity Comfort CalculatorCheck comfort level from temperature and humidity.
- Humidity Readout CalculatorConvert humidity measurements between units.
- Layer Clothing CalculatorChoose clothing layers by temperature and activity.
- Lightning Distance CalculatorEstimate lightning distance from thunder delay.
- Moon Phase CalculatorFind the moon phase for any date.
- Moonrise Moonset CalculatorEstimate moonrise and moonset times.
- Outdoor Activity Weather ScoreScore weather suitability for outdoor plans.
- Rain Gauge Reading CalculatorConvert rainfall measurements between units.
- Rain Probability CalculatorEstimate rain likelihood from conditions.
- Running Weather CheckerCheck if weather suits a run.
- Sailing Weather CheckerCheck wind and weather for sailing.
- Snow Day PredictorEstimate the chance of a snow day.
- Snowfall Accumulation CalculatorEstimate snowfall from precipitation and temperature.
- Storm Tracker CheckerEstimate storm arrival from radar.
- Sun Exposure Safety TimerSet safe sun exposure windows by skin type.
- Sun Tanning Time CalculatorEstimate tanning time by UV and skin type.
- Sunburn Risk CalculatorEstimate sunburn risk from skin type and UV.
- Sunrise Sunset Time CalculatorEstimate sunrise and sunset times for a date.
- Sunscreen SPF TimerFind how long your sunscreen lasts by SPF.
- Tide Time CalculatorEstimate high and low tide times.
- UV Index Exposure CalculatorEstimate safe sun exposure time by UV index.
- Visibility Check CalculatorCheck visibility conditions for travel.
- Weather Clothing PlannerPlan clothing layers for the temperature.
- Weather Forecast ConfidenceEstimate forecast reliability by lead time.
- Wind Direction CompassConvert wind direction between compass and degrees.
- Wind Load CalculatorEstimate wind load on structures.
- Wind Speed ConverterConvert wind speeds between units.