Columbia, Missouri Weather
Dusk arrives one minute earlier each night. Day 43 of summer. Read this microseason across nine climate regions →
Columbia weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Mostly Clear——84°64°—
- MondayAug 3Partly Cloudy——86°64°+2°
- TuesdayAug 4Overcast——90°65°+4°
- WednesdayAug 5Light Showers20%—94°67°+4°
- ThursdayAug 6Overcast62%—90°70°-4°
- FridayAug 7Light Showers36%0.12″91°69°+1°
- SaturdayAug 8Overcast23%—97°72°+6°
AQI 40 (Good), driven by PM2.5. AQI up 8 over the last 6 hours (gradual rise). PM2.5 at 11.1 µg/m³, PM10 at 11.4 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39 now. With UV 5.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 29.
- Present
- AQI 39
- UV peak
- 5.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 29
PM × Wind × Precip
PM2.5 at 11.1 µg/m³, PM10 at 11.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.97
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
Red sky at night, sailor's delight.
- Moonrise
- 9:52 PM
- Moonset
- 10:14 AM
- In sign
- ♓︎ Pisces
Dusk arrives one minute earlier each night
Columbia at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 65201, 65202, 65203, 65215, 65216
16-Day Forecast — Columbia
- Sun84°64°0%
- Mon86°64°0%
- Tue90°65°0%
- Wed94°67°20%
- Thu90°70°62%
- Fri91°69°36%
- Sat97°72°23%
- Sun97°72°6%
- Mon98°74°6%
- Tue96°72°9%
- Wed102°72°16%
- Thu103°74°27%
- Fri105°77°25%
- Sat92°70°32%
- Sun99°69°36%
- Mon97°68°23%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Columbia
Right now in the garden
Peak growing season
As of August 2, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Sun & seasons in Columbia
Columbia 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 28m 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 114 miles to the E. The nearest town Columbia tracks is Rocheport, roughly 13 miles to the W.
Air quality in Columbia’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 33). See the full air-quality history for Columbia.
ZIP codes in Columbia
- 65202
- 65203
- 65201
- 65215
- 65216
- 65211
- 65217
- 65218
- 65299