Lynnville, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lynnville, a city in Jasper County, Iowa.
Overnight
64°F
Partly Cloudy
Partly cloudy, with a low around 64. South southeast wind around 5 mph.
7-day forecast for Lynnville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Partly Cloudy | 5 mph SSE | 1% |
| Tuesday | 85°F | Partly Sunny then Chance Showers And Thunderstorms | 6 mph WSW | 25% |
| Tuesday Night | 63°F | Showers And Thunderstorms | 6 to 9 mph NNE | 91% |
| Wednesday | 75°F | Showers And Thunderstorms | 6 mph NNE | 89% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 1 to 5 mph NNE | 51% |
| Thursday | 81°F | Sunny | 3 mph ENE | 7% |
| Thursday Night | 60°F | Mostly Clear | 2 mph E | 1% |
| Friday | 85°F | Sunny | 1 to 5 mph SE | 5% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 mph SSE | 15% |
| Saturday | 88°F | Sunny then Slight Chance Rain Showers | 2 to 7 mph S | 15% |
| Saturday Night | 71°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 9 mph S | 15% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 9 mph S | 15% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 8 mph S | 33% |
| Monday | 89°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 6 to 10 mph S | 33% |
Forecast source: National Weather Service (api.weather.gov) for Lynnville (41.573, -92.787). Updated through the day.
Growing snapshot for Lynnville
Last spring frost
May 3
First fall frost
Oct 6
Growing season
155 days
Hardiness zone
5b
More local growing data for Lynnville: nearby ZIP 50153 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Baxter
Colfax
Kellogg
Lambs Grove
Mingo
Monroe
Newton
Oakland Acres
Prairie City
Reasnor
Sully
Valeria
Climate data from the nearest NOAA station, Grinnell 3 Sw, Ia (10.5 mi from Lynnville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.