Jamaica, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jamaica, a city in Guthrie County, Iowa.
Today
80°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly cloudy. High near 80, with temperatures falling to around 76 in the afternoon. West northwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Jamaica
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 7 mph WNW | 56% |
| Tonight | 60°F | Chance Showers And Thunderstorms | 9 mph N | 30% |
| Sunday | 66°F | Chance Rain Showers | 12 mph NNE | 42% |
| Sunday Night | 55°F | Chance Rain Showers | 9 mph NE | 49% |
| Monday | 61°F | Rain Showers Likely | 10 mph NE | 59% |
| Monday Night | 50°F | Chance Rain Showers | 5 to 8 mph NE | 54% |
| Tuesday | 61°F | Partly Sunny | 7 mph ENE | 8% |
| Tuesday Night | 45°F | Partly Cloudy | 1 to 5 mph E | 2% |
| Wednesday | 66°F | Mostly Sunny | 5 mph E | 2% |
| Wednesday Night | 50°F | Partly Cloudy | 2 mph ESE | 10% |
| Thursday | 67°F | Slight Chance Rain Showers | 1 to 5 mph SE | 21% |
| Thursday Night | 54°F | Mostly Cloudy | 2 mph ESE | 8% |
| Friday | 68°F | Partly Sunny | 2 to 6 mph ESE | 8% |
| Friday Night | 55°F | Mostly Cloudy | 3 mph ESE | 11% |
Forecast source: National Weather Service (api.weather.gov) for Jamaica (41.845, -94.307). Updated through the day.
Growing snapshot for Jamaica
Last spring frost
Apr 25
First fall frost
Oct 10
Growing season
166 days
Hardiness zone
5a
More local growing data for Jamaica: nearby ZIP 50128 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Perry, Ia (9.8 mi from Jamaica). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.