Yorktown, IA Weather & Growing Conditions
Today
85°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Partly sunny. High near 85, with temperatures falling to around 83 in the afternoon. Northeast wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph NE | 39% |
| Tonight | 64°F | Chance Showers And Thunderstorms | 10 mph NNE | 79% |
| Wednesday | 75°F | Showers And Thunderstorms | 9 mph NE | 85% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms | 2 to 8 mph NE | 44% |
| Thursday | 82°F | Mostly Sunny | 3 mph E | 4% |
| Thursday Night | 64°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph SE | 21% |
| Friday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 3 to 7 mph S | 21% |
| Friday Night | 68°F | Mostly Clear | 5 mph SSE | 6% |
| Saturday | 90°F | Sunny | 3 to 13 mph S | 2% |
| Saturday Night | 74°F | Mostly Clear | 13 mph S | 8% |
| Sunday | 92°F | Mostly Sunny | 13 mph S | 8% |
| Sunday Night | 73°F | Partly Cloudy | 14 mph SSE | 11% |
| Monday | 93°F | Mostly Sunny | 12 to 16 mph S | 8% |
| Monday Night | 74°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 16 mph SSE | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Yorktown, IA
Last spring frost
Apr 25
First fall frost
Oct 11
Growing season
168 days
Hardiness zone
5b
Explore more for Yorktown, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Clarinda, Ia (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.