Lynnville, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lynnville, a city in Jasper County, Iowa.
Today
82°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 4pm, then a slight chance of showers and thunderstorms. Partly sunny. High near 82, with temperatures falling to around 80 in the afternoon. Southwest wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lynnville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Showers And Thunderstorms Likely | 8 mph SW | 55% |
| Tonight | 62°F | Chance Showers And Thunderstorms | 5 to 8 mph NNW | 54% |
| Sunday | 67°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 8 to 13 mph NNE | 54% |
| Sunday Night | 57°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 14 mph NE | 55% |
| Monday | 62°F | Rain Showers Likely | 13 mph NE | 59% |
| Monday Night | 51°F | Rain Showers Likely | 7 to 10 mph NE | 59% |
| Tuesday | 61°F | Slight Chance Rain Showers then Partly Sunny | 9 mph NE | 24% |
| Tuesday Night | 46°F | Partly Cloudy | 6 mph NE | 3% |
| Wednesday | 65°F | Sunny | 6 mph NE | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph ENE | 3% |
| Thursday | 66°F | Partly Sunny | 3 mph E | 14% |
| Thursday Night | 54°F | Mostly Cloudy | 2 mph E | 6% |
| Friday | 69°F | Partly Sunny | 5 mph E | 6% |
| Friday Night | 55°F | Mostly Cloudy | 3 mph ESE | 8% |
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 Sep 19, 2026.