Rocheport, Missouri Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Rocheport weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 9:22 AM CDT · Open-Meteo
- TodaySep 21Drizzle later38%0.04″73°66°—
- TuesdaySep 22Light Drizzle14%0.03″65°60°-8°
- WednesdaySep 23Overcast——77°53°+12°
- ThursdaySep 24Overcast——78°53°+1°
- FridaySep 25Overcast——75°59°-3°
- SaturdaySep 26Drizzle31%—91°64°+16°
- SundaySep 27Light Showers21%—82°65°-9°
Air quality now AQI 27 · Good
AQI 27 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:41 PM
- Moonset
- 1:35 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Rocheport at a glance
- Today vs. normal: Today averages 70°F (high 73°F, low 66°F), 3°F above the 67°F normal for Sep 21
- Last frost: April 12 (1991–2020 median, NOAA station 15 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Rocheport
- Mon73°66°38%
- Tue65°60°14%
- Wed77°53°0%
- Thu78°53°2%
- Fri75°59°6%
- Sat91°64°31%
- Sun82°65°21%
- Mon79°64°26%
- Tue81°66°37%
- Wed80°54°23%
- Thu87°58°12%
- Fri91°66°19%
- Sat86°65°19%
- Sun64°48°13%
- Mon64°42°16%
- Tue68°41°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Fall planting + final harvests
As of September 21, the season's first frost (typically October 25) is approaching. Pick what frost-tender plants still carry before the next cold front. This city's planting calendar for September: plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, and winter squash.
Sun & seasons in Rocheport
Rocheport sits in Boone County, where the year’s longest day runs 14h 54m of daylight and its shortest just 9h 26m — a swing of +5h 29m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
St. Louis, the state’s largest city, lies about 127 miles to the E. The nearest town Rocheport tracks is Columbia, roughly 13 miles to the E.
Air quality in Rocheport
Air quality in Rocheport’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 33).
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes | spinach, radishes |
| May | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, beans, summer squash |
| July | tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
In Rocheport, July runs warmest near 79°F and January coldest around 30°F, while May is the wettest month (5.0 inches) and December the driest (1.6 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 30° | 1.8″ | 8 |
| February | 35° | 2.1″ | 7 |
| March | 45° | 3.2″ | 9 |
| April | 56° | 4.3″ | 11 |
| May | 66° | 5.0″ | 13 |
| June | 75° | 4.5″ | 10 |
| July | 79° | 4.4″ | 9 |
| August | 78° | 4.2″ | 8 |
| September | 69° | 3.9″ | 8 |
| October | 57° | 3.1″ | 9 |
| November | 45° | 2.8″ | 9 |
| December | 34° | 1.6″ | 7 |
Regional context
Similar climates Wooldridge, MO, Huntsdale, MO, Windsor Place, MO
Per NOAA NCEI 1991-2020 normals, Rocheport runs from a 30°F January mean to 79°F in July, a 50°F seasonal spread, with near 41 inches of precipitation across about 109 wet days.
Precipitation in Rocheport runs summer-dominant: May averages 5.0 inches across 12.5 days of warm-season storms, while December drops to 1.6 inches over 7.2 rainy days of drier cool air. That puts Rocheport in a summer-convective cohort with places like Wooldridge, MO, Huntsdale, MO and Windsor Place, MO.
Around April 12, Rocheport sheds its freezing nights — kale, peas, spinach, and parsnips go into Rocheport's beds. Heat-demanding starts go out a fortnight on in Rocheport, after the soil warms and cold snaps clear. The season ends by October 25 in Rocheport, once hard frosts set back in. That date is a median: Rocheport freezes sooner in half of years.
Similar climates: Wooldridge, MO, Huntsdale, MO, Windsor Place, MO, McBaine, MO, New Franklin, MO.
Frequently asked
- When does it freeze in Rocheport?
- Rocheport's last spring frost lands near April 12, and in Rocheport the first fall frost follows around October 25.
- What is the rainy season in Rocheport?
- Rocheport sees its heaviest rain in May (around 5.0 inches), part of roughly 41 inches a year.
- What is the warmest month in Rocheport?
- July is Rocheport's warmest month, averaging about 79°F.
- What is the coldest month in Rocheport?
- Rocheport bottoms out in January, with a mean near 30°F.
- When can I start a vegetable garden in Rocheport?
- Time tomatoes in Rocheport for two weeks after April 12; peas and greens start at Rocheport's frost line.
- How many rainy days does Rocheport get?
- Rocheport records around 109 days of measurable precipitation annually.
- What hardiness zone is Rocheport?
- Rocheport's USDA zone comes from its January mean (30°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Rocheport?
- Rocheport's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Rocheport?
- See this week's day-by-day rain chances for Rocheport in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Rocheport?
- Current conditions for Rocheport and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Rocheport forecast updated?
- The Rocheport forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Rocheport?
- Today's sunrise and sunset times for Rocheport are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Rocheport?
- The next few days in Rocheport's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Rocheport sits at 39.0°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Rocheport
- 65279