Weather
Wind chill, heat index, dew point, and rainfall calculators.
S
Snow Day Calculator
Predict the chance of a snow day based on weather forecast and school type. A fun prediction tool.
W
Wind Chill Calculator
Calculate wind chill factor using NWS formula. See frostbite risk time and danger level.
H
Heat Index Calculator
Calculate heat index from temperature and humidity. See danger level and activity recommendations.
M
Moon Phase Calculator
Find the current moon phase, illumination percentage, and next full moon date.
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Sunrise & Sunset Calculator
Calculate sunrise, sunset, and day length for any US city and date.
F
Frost Date Calculator
Find average first and last frost dates and growing season by USDA zone.
P
Plant Hardiness Zone Calculator
Find minimum temperature, recommended plants, and planting season by USDA zone.