GraySky Weather

GraySky shows live rainfall amounts, intensity, and timeframes.

Our weather model ingests data from the NWS/NOAA for the United States, ECCC/MSC/NOAA for Canada, and DWD/NOAA/ECMWF for EU and process them through our forecast engine to generate minute-by-minute rain prediction and real time alerts.

RAIN AT A GLANCE

• Minute-by-minute rain prediction
• See upcoming rainfall totals and precipitation chances
• See past rainfall totals
• Compare recent rain with a weekly rainfall goal
• Get simple, explainable watering guidance
• Switch between inches and millimeters

OFFICIAL NWS REPORTS

• Area Forecast + Discussion
• Storm Outlook

KNOW WHEN TO WATER

• See whether your weekly rainfall goal has been reached, how much rain is still needed, and whether more rain is expected soon.

REVIEW RAINFALL HISTORY

• See daily rainy days, dry periods, monthly totals, historical averages.
• Rain calendar: see every rainy day on a monthly heat map, tap a day for hour by hour with history back to 2020.

TRACK MULTIPLE LOCATIONS

• Track rainfall at unlimited locations with a Member plan

HIGH-RES RADAR AND MAPS

• Real time radar with lightning and many map overlays

ADDITIONAL FEATURES

• Current conditions, hour by hour, and a 10-day forecast
• A customizable layout: reorder or hide any card, pick your buttons and theme
• Twelve data cards to tap into: Rain, Soil and drought, Wind, NWS, Clouds, Air quality, UV index, Dew point, Astronomy, Climate, Records, and Tides
• Rainfall totals for 24 hours, 7 days, 30 days, month to date, and year to date, checked against official rain gauges
• Rain calendar: every rain day on a monthly heat map, tap a day for hour by hour, with history back to 2020 and snow totals alongside rain
• Weekly rain targets, and drought status from the U.S. Drought Monitor, soil moisture, and state and national drought maps
• Time Machine: scrub back to any past day and see what actually happened
• Climate normals, on this day and all-time station records, and your own personal records
• Sun arc, twilight, day length, moon phase on a 3D moon, meteor showers, and eclipse timing

NOTIFICATIONS

• Rain starting at light, default, or heavy sensitivity, plus rain ending and intensifying

• Severe weather, with a floor of all, moderate, severe, or extreme

• Morning briefing and tomorrow's forecast, at times you pick

• Freeze, heat wave, wind gusts, UV index, daily rain, and daily snow, at thresholds you set

• Sky and seasons: full moon, new moon, the first day of each season, meteor showers, and eclipses

• NWS report updates when the discussion, forecast, or outlook changes

• Watering reminders after a set number of dry days, drought changes, and a weekly dryness digest

• Quiet hours, with an option to let severe weather through

• Fourteen Home Screen and Lock Screen widgets, plus Live Activities counting down to rain

• Apple Watch app with current, hourly, daily, precipitation, and alerts, plus three complications

• Mac menu bar app with the full forecast, radar, and Time Machine

• iPad with Split View and Stage Manager, and the web at graysky.net

• Ten languages, including Spanish, French, German, Japanese, Korean, and Chinese

• Imperial or metric units, 12 or 24 hour clock, dark or light

• No ads, no tracking, and we never sell your data

GraySky is free with 3 locations, a 7-day forecast, and severe weather alerts. Paid plans add minute-by-minute rain, high-resolution radar, unlimited locations, data tiles, rain history, widgets, Time Machine, and the Apple Watch app. The Member plan is $19.99 a year.

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