Marshalltown weather
At 6:30 PM local time it was cloudy and 14°C (58°F). Mostly light, on-and-off rain; heavier around 4 AM, 5 AM (3.6 mm total). Best months for weather: May–Sep. Marshalltown sits 287 m (942 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Marshalltown, Iowa, United States.
Current conditions
- Clouds
- 100%
- Chance of rain
- 4%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 4 AM, 5 AM (3.6 mm total)
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Nov–Mar
About Marshalltown weather
Is it raining in Marshalltown right now?
No. It’s cloudy and 14° right now. Mostly light, on-and-off rain; heavier around 4 AM, 5 AM (3.6 mm total).
What’s the weather like in Marshalltown this week?
Over the next 7 days, expect highs of 11–21° and lows of 8–15°. Rain is likely on 4 of 7 days (Saturday, Sunday, Monday, Tuesday). The driest day looks like Sunday.
Has it been raining in Marshalltown lately?
In the past 7 days, Marshalltown had 2 rainy days and 3.3 mm of rain in total.
What should I pack for Marshalltown?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Marshalltown weather by month
When is the best time to visit Marshalltown?
Based on weather alone, the best time to visit Marshalltown is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from -2°C (28°F) in January to 29°C (85°F) in July.
What is the rainiest month in Marshalltown?
June is the wettest month, with about 135 mm (5.3 in) of rain on average. January is the driest, with about 24 mm (0.9 in).
What is the hottest month in Marshalltown?
July is the warmest, with average highs of 29°C (85°F) and lows of 18°C (65°F). January is the coolest, with highs of -2°C (28°F) and lows of -11°C (12°F).
Does Marshalltown have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is June at about 135 mm (5.3 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months