As of 05:22 CDT

Weather in St. Johns, IL

44°

St. Johns, Sunday, 25 October, 05:22

Clear. Feels like 43°. High 77°, low 44°.

Pressure30.39 inHg

Wind3 mph E

Humidity90%

Visibility6.2 mi

Dew point41°

See detailed hourly forecast

10-day forecast for St. Johns, IL: 44° to 80°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

78°

Best day: Thursday, October 29

72° · 0.55 in

Worst day: Tuesday, November 3

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 2677° / 51°

Morning

55°feels 54°

Afternoon

75°feels 74°

Evening

61°feels 60°

Overnight

54°feels 53°

77 °

St. Johns, Monday, 26 October

Overcast. High 77°, low 51°.

Pressure30.33 inHg

Wind4.5 mph SW

Humidity45%

Visibility6.2 mi

Dew point50°

Tue, 2773° / 53°

Morning

54°feels 53°

Afternoon

72°feels 71°

Evening

62°feels 62°

Overnight

55°feels 54°

73 °

St. Johns, Tuesday, 27 October

Overcast. High 73°, low 53°.

Pressure30.27 inHg

Wind6.9 mph S

Humidity44%

Visibility6.2 mi

Dew point49°

Wed, 2875° / 54°

Morning

56°feels 55°

Afternoon

74°feels 73°

Evening

62°feels 61°

Overnight

55°feels 55°

75 °

St. Johns, Wednesday, 28 October

Overcast. High 75°, low 54°.

Pressure30.24 inHg

Wind7.5 mph S

Humidity47%

Visibility6.2 mi

Dew point52°

Thu, 2978° / 56°

Morning

62°feels 61°

Afternoon

76°feels 75°

Evening

68°feels 68°

Overnight

59°feels 58°

78 °

St. Johns, Thursday, 29 October

Clear. High 78°, low 56°.

Pressure30.18 inHg

Wind8.7 mph S

Humidity42%

Visibility—

Dew point49°

Fri, 3077° / 59°

Morning

64°feels 64°

Afternoon

75°feels 74°

Evening

67°feels 66°

Overnight

63°feels 62°

77 °

St. Johns, Friday, 30 October

Overcast. High 77°, low 59°.

Pressure30.18 inHg

Wind7.3 mph S

Humidity39%

Visibility—

Dew point48°

Sat, 3171° / 62°

0.02

Morning

63°feels 62°

Afternoon

65°feels 65°

Evening

64°feels 64°

Overnight

62°feels 62°

71 °

St. Johns, Saturday, 31 October

Light rain. High 71°, low 62°.

Pressure30.15 inHg

Wind9.2 mph S

Humidity77%

Visibility—

Dew point57°

Sun, 0171° / 60°

0.15

Morning

62°feels 62°

Afternoon

66°feels 66°

Evening

66°feels 66°

Overnight

63°feels 63°

71 °

St. Johns, Sunday, 1 November

Light rain. High 71°, low 60°.

Pressure30.09 inHg

Wind12.1 mph S

Humidity77%

Visibility—

Dew point58°

Mon, 0280° / 64°

0.11

Morning

69°feels 69°

Afternoon

79°feels 79°

Evening

76°feels 76°

Overnight

72°feels 73°

80 °

St. Johns, Monday, 2 November

Light rain. High 80°, low 64°.

Pressure29.85 inHg

Wind24.9 mph S

Humidity56%

Visibility—

Dew point60°

Tue, 0372° / 57°

0.55

Morning

67°feels 68°

Afternoon

70°feels 70°

Evening

61°feels 60°

Overnight

59°feels 58°

72 °

St. Johns, Tuesday, 3 November

Heavy rain. High 72°, low 57°.

Pressure29.80 inHg

Wind19.3 mph SW

Humidity57%

Visibility—

Dew point55°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in St. Johns, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.