Graf, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Graf, a city in Dubuque County, Iowa.
Tonight
64°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 10pm and 2am, then showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. Southeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Graf
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Chance Showers And Thunderstorms | 10 to 15 mph SE | 82% |
| Saturday | 79°F | Showers And Thunderstorms Likely | 5 to 10 mph S | 74% |
| Saturday Night | 61°F | Showers And Thunderstorms | 5 to 10 mph N | 83% |
| Sunday | 68°F | Rain Showers Likely | 10 to 15 mph NE | 56% |
| Sunday Night | 55°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Monday | 64°F | Chance Rain Showers | 15 mph NE | 47% |
| Monday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 47% |
| Tuesday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 38% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 5% |
| Thursday Night | 53°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Graf (42.494, -90.873). Updated through the day.
Growing snapshot for Graf
Last spring frost
Apr 19
First fall frost
Oct 21
Growing season
184 days
Hardiness zone
5a
More local growing data for Graf: nearby ZIP 52039 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Asbury
Balltown
Bankston
Bernard
Centralia
Dubuque
Durango
Epworth
Farley
Holy Cross
Luxemburg
New Vienna
Peosta
Rickardsville
Sageville
Sherrill
Worthington
Climate data from the nearest NOAA station, Dubuque L&D 11, Ia (10.8 mi from Graf). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.