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As of 14:00 CDT

Weather in Troy, IL

89°Current weather

Troy, Saturday, 8 August, 14:00

Clear. Feels like 100°. High 89°, low 70°.

Pressure30.03 inHg
Wind2 mph S
Humidity63%
Visibility6.2 mi
Dew point74°
Sun, 0994° / 73°0Overcast
94 °Overcast

Troy, Sunday, 9 August

Overcast. High 94°, low 73°.

Pressure29.97 inHg
Wind13.2 mph S
Humidity64%
Visibility6.2 mi
Dew point74°
Mon, 1097° / 74°0Mostly clear
97 °Mostly clear

Troy, Monday, 10 August

Mostly clear. High 97°, low 74°.

Pressure29.94 inHg
Wind11.5 mph SW
Humidity51%
Visibility6.2 mi
Dew point72°
Tue, 1194° / 74°0.03Light rain
94 °Light rain

Troy, Tuesday, 11 August

Light rain. High 94°, low 74°.

Pressure29.88 inHg
Wind7.6 mph W
Humidity47%
Visibility6.2 mi
Dew point70°
Wed, 1285° / 74°0.08Light rain
85 °Light rain

Troy, Wednesday, 12 August

Light rain. High 85°, low 74°.

Pressure29.85 inHg
Wind8.7 mph W
Humidity53%
Visibility6.2 mi
Dew point70°
Thu, 1383° / 70°0.47Rain
83 °Rain

Troy, Thursday, 13 August

Rain. High 83°, low 70°.

Pressure29.85 inHg
Wind10.8 mph SE
Humidity72%
Visibility—
Dew point71°
Fri, 1476° / 62°0.02Light rain
76 °Light rain

Troy, Friday, 14 August

Light rain. High 76°, low 62°.

Pressure30.15 inHg
Wind10.2 mph NE
Humidity55%
Visibility—
Dew point56°
Sat, 1577° / 56°0Overcast
77 °Overcast

Troy, Saturday, 15 August

Overcast. High 77°, low 56°.

Pressure30.27 inHg
Wind8.7 mph E
Humidity53%
Visibility—
Dew point54°
Sun, 1677° / 60°0.06Light rain
77 °Light rain

Troy, Sunday, 16 August

Light rain. High 77°, low 60°.

Pressure30.18 inHg
Wind11.8 mph S
Humidity68%
Visibility—
Dew point62°
Mon, 1795° / 71°0.26Rain
95 °Rain

Troy, Monday, 17 August

Rain. High 95°, low 71°.

Pressure29.91 inHg
Wind16.7 mph S
Humidity56%
Visibility—
Dew point70°
Tue, 1886° / 73°0Overcast
86 °Overcast

Troy, Tuesday, 18 August

Overcast. High 86°, low 73°.

Pressure29.97 inHg
Wind9.6 mph NE
Humidity66%
Visibility—
Dew point71°
Wed, 1992° / 70°0Overcast
92 °Overcast

Troy, Wednesday, 19 August

Overcast. High 92°, low 70°.

Pressure29.91 inHg
Wind7.8 mph E
Humidity61%
Visibility—
Dew point70°
Thu, 2084° / 72°1.5Heavy rain
84 °Heavy rain

Troy, Thursday, 20 August

Heavy rain. High 84°, low 72°.

Pressure29.88 inHg
Wind7.5 mph SE
Humidity68%
Visibility—
Dew point71°
Fri, 2181° / 69°0.06Light rain
81 °Light rain

Troy, Friday, 21 August

Light rain. High 81°, low 69°.

Pressure29.94 inHg
Wind10.1 mph NE
Humidity78%
Visibility—
Dew point68°
Sat, 2282° / 64°0Overcast
82 °Overcast

Troy, Saturday, 22 August

Overcast. High 82°, low 64°.

Pressure29.94 inHg
Wind7 mph NE
Humidity56%
Visibility—
Dew point62°
Sun, 2370° / 61°0.03Light rain
70 °Light rain

Troy, Sunday, 23 August

Light rain. High 70°, low 61°.

Pressure30.15 inHg
Wind13.5 mph NE
Humidity70%
Visibility—
Dew point56°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Troy, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Troy, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.