Saint John, MO Weather Forecast
Local 7-day forecast
Patchy Drizzle
Track current conditions, temperature changes, wind, and the full daily outlook for Saint John, MO in one place.
Patchy drizzle. Cloudy, with a low around 39. North wind around 6 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Saint John, MO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 6, 2026 5:50 AM CST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Saint John, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 5:50 AM CST
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint John
Monday looks like the warmest upcoming period in Saint John at 67 degrees F.
Friday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Monday at about 3 to 12 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 6, 2026 5:50 AM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- EAX
- Radar station
- KDMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy drizzle before noon. Partly sunny, with a high near 48. North wind 1 to 7 mph. Chance of precipitation is 20%.
Widespread frost between midnight and 4am. Partly cloudy, with a low around 29. North northwest wind around 1 mph.
Widespread frost between 7am and 8am. Mostly sunny. High near 54, with temperatures falling to around 49 in the afternoon. Southwest wind 1 to 6 mph.
Mostly clear, with a low around 36. Southwest wind around 3 mph.
Sunny, with a high near 63.
Mostly clear, with a low around 40.
Sunny, with a high near 67.
Clear, with a low around 41.
Sunny, with a high near 65.
Mostly clear, with a low around 41.
Mostly sunny, with a high near 63.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 6
|
Patchy Drizzle
|
39°F |
6 mph
N
|
|
Friday
Nov 6
|
Patchy Drizzle then Partly Sunny
|
48°F |
1 to 7 mph
N
|
|
Friday Night
Nov 6
|
Partly Cloudy then Widespread Frost
|
29°F |
1 mph
NNW
|
|
Saturday
Nov 7
|
Widespread Frost then Mostly Sunny
|
54°F |
1 to 6 mph
SW
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
36°F |
3 mph
SW
|
|
Sunday
Nov 8
|
Sunny
|
63°F |
3 mph
WSW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
40°F |
0 to 3 mph
SW
|
|
Monday
Nov 9
|
Sunny
|
67°F |
3 to 12 mph
SW
|
|
Monday Night
Nov 9
|
Clear
|
41°F |
1 to 5 mph
W
|
|
Tuesday
Nov 10
|
Sunny
|
65°F |
1 mph
NNW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
41°F |
1 mph
WNW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
63°F |
1 to 5 mph
NNW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
41°F |
3 mph
NNW
|
|
Thursday
Nov 12
|
Mostly Sunny
|
58°F |
3 to 7 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint John.