National Weather Service forecast

St. Augustine, Illinois Weather

53°Overnight: Mostly Cloudy
Wind SW 12 mph

St. Augustine 7-Day Forecast

  1. Overnight
    53°F
    Mostly Cloudy
    13% chance of precipitation

    Mostly cloudy, with a low around 53. Southwest wind around 12 mph, with gusts as high as 21 mph.

  2. Wednesday
    57°F
    Slight Chance Light Rain then Patchy Drizzle
    15% chance of precipitation

    A slight chance of rain before 7am, then patchy drizzle. Cloudy, with a high near 57. West southwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    45°F
    Patchy Drizzle then Cloudy
    10% chance of precipitation

    Patchy drizzle before 10pm. Cloudy, with a low around 45. West southwest wind around 13 mph, with gusts as high as 24 mph.

  4. Thursday
    55°F
    Slight Chance Light Rain
    23% chance of precipitation

    A slight chance of rain after 7am. Cloudy, with a high near 55. West wind 10 to 14 mph, with gusts as high as 24 mph.

  5. Thursday Night
    42°F
    Slight Chance Light Rain then Mostly Cloudy
    22% chance of precipitation

    A slight chance of rain before midnight. Mostly cloudy, with a low around 42. Northwest wind around 8 mph, with gusts as high as 18 mph.

  6. Friday
    51°F
    Partly Sunny
    8% chance of precipitation

    Partly sunny, with a high near 51. North wind 6 to 10 mph, with gusts as high as 20 mph.

  7. Friday Night
    31°F
    Partly Cloudy

    Partly cloudy, with a low around 31. North northwest wind 0 to 5 mph.

  8. Saturday
    52°F
    Sunny

    Sunny, with a high near 52.

  9. Saturday Night
    33°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 33.

  10. Sunday
    58°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 58.

  11. Sunday Night
    34°F
    Clear

    Clear, with a low around 34.

  12. Monday
    64°F
    Sunny

    Sunny, with a high near 64.

  13. Monday Night
    39°F
    Mostly Clear

    Mostly clear, with a low around 39.

  14. Tuesday
    65°F
    Sunny

    Sunny, with a high near 65.

Issued by the National Weather Service (ILX office), updated .

St. Augustine Hourly Forecast

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About St. Augustine

Population (2020 Census)
119
Coordinates
40.721, -90.407
Elevation
650 ft
NWS forecast office
ILX
Time zone
America/Chicago
Sunrise today
6:35 AM CST
Sunset today
4:55 PM CST
Daylight today
10 h 20 min

St. Augustine Weather Questions

What is the weather forecast for St. Augustine, Illinois?

Overnight: Mostly cloudy, with a low around 53. Southwest wind around 12 mph, with gusts as high as 21 mph. Wednesday: A slight chance of rain before 7am, then patchy drizzle. Cloudy, with a high near 57. West southwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in St. Augustine this week?

Not much. The highest chance of precipitation in the 7-day forecast is 23%, Thursday.

How warm and how cold will it get in St. Augustine this week?

The warmest day is Tuesday, with a high near 65°F. The coldest night is Friday Night, with a low near 31°F.

What time are sunrise and sunset in St. Augustine today?

Sunrise is at 6:35 AM CST and sunset is at 4:55 PM CST, for 10 h 20 min of daylight.

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