Passaic, MO Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Passaic, MO in one place.
Sunny, with a high near 99. Heat index values as high as 110. South southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Local Weather Overview
This forecast page for Passaic, 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: Jul 26, 2026 10:00 AM CDT.
The active forecast window currently covers Jul 27 to Aug 1, 2026 for Passaic, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 27 to Aug 1, 2026
- Latest sync
- Jul 26, 2026 10:00 AM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Passaic
Monday looks like the warmest upcoming period in Passaic at 99 degrees F.
Saturday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Monday at about 8 to 14 mph SSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 26, 2026 10:00 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- EAX
- Radar station
- KEAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 77. Heat index values as high as 109. South southwest wind 2 to 10 mph.
Mostly sunny, with a high near 94. West northwest wind 2 to 6 mph.
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 91.
Mostly clear, with a low around 71.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 68.
Sunny, with a high near 86.
Mostly clear, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jul 27
|
Sunny
|
99°F |
8 to 14 mph
SSW
|
|
Monday Night
Jul 27
|
Mostly Clear
|
77°F |
2 to 10 mph
SSW
|
|
Tuesday
Jul 28
|
Mostly Sunny
|
94°F |
2 to 6 mph
WNW
|
|
Tuesday Night
Jul 28
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
75°F |
5 mph
ENE
|
|
Wednesday
Jul 29
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
91°F |
2 to 6 mph
ESE
|
|
Wednesday Night
Jul 29
|
Mostly Clear
|
71°F |
5 mph
ESE
|
|
Thursday
Jul 30
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
7 mph
SE
|
|
Thursday Night
Jul 30
|
Chance Showers And Thunderstorms
|
71°F |
6 mph
SE
|
|
Friday
Jul 31
|
Chance Showers And Thunderstorms
|
88°F |
3 to 8 mph
ESE
|
|
Friday Night
Jul 31
|
Slight Chance Showers And Thunderstorms
|
68°F |
2 to 7 mph
NNE
|
|
Saturday
Aug 1
|
Sunny
|
86°F |
2 to 8 mph
NNE
|
|
Saturday Night
Aug 1
|
Mostly Clear
|
66°F |
1 to 6 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Passaic.