National Weather Service forecast

St. Johns, Illinois Weather

55°Overnight: Slight Chance Rain Showers
Wind SSW 8 mph
7-DayHourlyRadar

St. Johns 7-Day Forecast

  1. Overnight
    55°F
    Slight Chance Rain Showers
    16% chance of precipitation

    A slight chance of rain showers before 3am. Mostly cloudy. Low around 55, with temperatures rising to around 58 overnight. South southwest wind around 8 mph. Chance of precipitation is 20%.

  2. Wednesday
    66°F
    Mostly Cloudy
    9% chance of precipitation

    Mostly cloudy. High near 66, with temperatures falling to around 61 in the afternoon. West southwest wind 6 to 12 mph.

  3. Wednesday Night
    43°F
    Partly Cloudy

    Partly cloudy. Low around 43, with temperatures rising to around 45 overnight. West southwest wind around 3 mph.

  4. Thursday
    68°F
    Sunny

    Sunny, with a high near 68. West southwest wind 3 to 8 mph.

  5. Thursday Night
    44°F
    Partly Cloudy

    Partly cloudy, with a low around 44. Northwest wind around 2 mph.

  6. Friday
    60°F
    Partly Sunny
    1% chance of precipitation

    Partly sunny, with a high near 60. North northwest wind 3 to 12 mph.

  7. Friday Night
    36°F
    Partly Cloudy

    Partly cloudy, with a low around 36. North wind 3 to 7 mph.

  8. Saturday
    57°F
    Mostly Sunny

    Mostly sunny, with a high near 57. North northwest wind 2 to 6 mph.

  9. Saturday Night
    33°F
    Partly Cloudy

    Partly cloudy, with a low around 33. North northwest wind around 1 mph.

  10. Sunday
    62°F
    Sunny

    Sunny, with a high near 62. Northwest wind 1 to 7 mph.

  11. Sunday Night
    34°F
    Clear
    1% chance of precipitation

    Clear, with a low around 34. West northwest wind around 2 mph.

  12. Monday
    66°F
    Sunny

    Sunny, with a high near 66. Southwest wind 0 to 6 mph.

  13. Monday Night
    38°F
    Clear
    1% chance of precipitation

    Clear, with a low around 38. Southwest wind around 2 mph.

  14. Tuesday
    69°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 69. West wind around 5 mph.

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

St. Johns Hourly Forecast

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St. Johns Weather Radar

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About St. Johns

Population (2020 Census)
163
Coordinates
38.035, -89.236
Elevation
449 ft
NWS forecast office
PAH
Time zone
America/Chicago
Sunrise today
6:25 AM CST
Sunset today
4:55 PM CST
Daylight today
10 h 29 min

St. Johns Weather Questions

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

Overnight: A slight chance of rain showers before 3am. Mostly cloudy. Low around 55, with temperatures rising to around 58 overnight. South southwest wind around 8 mph. Chance of precipitation is 20%. Wednesday: Mostly cloudy. High near 66, with temperatures falling to around 61 in the afternoon. West southwest wind 6 to 12 mph.

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

Not much. The highest chance of precipitation in the 7-day forecast is 16%, Overnight.

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

The warmest day is Tuesday, with a high near 69°F. The coldest night is Saturday Night, with a low near 33°F.

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

Sunrise is at 6:25 AM CST and sunset is at 4:55 PM CST, for 10 h 29 min of daylight.

Weather near St. Johns

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