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As of 12:18 CDT

Weather in Porterville, IL

71°Current weather

Porterville, Wednesday, 21 October, 12:18

Fog. Feels like 70°. High 72°, low 42°.

Pressure30.27 inHg
Wind4.6 mph NE
Humidity35%
Visibility6.0 mi
Dew point44°
Thu, 2274° / 46°0Clear
74 °Clear

Porterville, Thursday, 22 October

Clear. High 74°, low 46°.

Pressure30.27 inHg
Wind4.3 mph NE
Humidity40%
Visibility6.2 mi
Dew point45°
Fri, 2370° / 47°0Clear
70 °Clear

Porterville, Friday, 23 October

Clear. High 70°, low 47°.

Pressure30.33 inHg
Wind5.1 mph SE
Humidity48%
Visibility6.2 mi
Dew point47°
Sat, 2469° / 48°0Mostly clear
69 °Mostly clear

Porterville, Saturday, 24 October

Mostly clear. High 69°, low 48°.

Pressure30.39 inHg
Wind5.5 mph SE
Humidity51%
Visibility6.2 mi
Dew point48°
Sun, 2573° / 47°0Overcast
73 °Overcast

Porterville, Sunday, 25 October

Overcast. High 73°, low 47°.

Pressure30.39 inHg
Wind3.4 mph S
Humidity47%
Visibility6.2 mi
Dew point47°
Mon, 2671° / 50°0Overcast
71 °Overcast

Porterville, Monday, 26 October

Overcast. High 71°, low 50°.

Pressure30.27 inHg
Wind5.7 mph SW
Humidity46%
Visibility—
Dew point46°
Tue, 2771° / 55°0Overcast
71 °Overcast

Porterville, Tuesday, 27 October

Overcast. High 71°, low 55°.

Pressure30.27 inHg
Wind7.2 mph SE
Humidity45%
Visibility—
Dew point44°
Wed, 2876° / 60°0Overcast
76 °Overcast

Porterville, Wednesday, 28 October

Overcast. High 76°, low 60°.

Pressure30.12 inHg
Wind14 mph SW
Humidity31%
Visibility—
Dew point40°
Thu, 2971° / 56°0.17Rain
71 °Rain

Porterville, Thursday, 29 October

Rain. High 71°, low 56°.

Pressure30.12 inHg
Wind13.1 mph W
Humidity50%
Visibility—
Dew point51°
Fri, 3066° / 51°0Overcast
66 °Overcast

Porterville, Friday, 30 October

Overcast. High 66°, low 51°.

Pressure30.18 inHg
Wind11.6 mph E
Humidity58%
Visibility—
Dew point48°
Sat, 3177° / 52°0Overcast
77 °Overcast

Porterville, Saturday, 31 October

Overcast. High 77°, low 52°.

Pressure30.00 inHg
Wind18.3 mph S
Humidity49%
Visibility—
Dew point51°
Sun, 0169° / 59°0.67Rain
69 °Rain

Porterville, Sunday, 1 November

Rain. High 69°, low 59°.

Pressure30.00 inHg
Wind19.3 mph S
Humidity91%
Visibility—
Dew point57°
Mon, 0262° / 61°0.98Rain
62 °Rain

Porterville, Monday, 2 November

Rain. High 62°, low 61°.

Pressure29.77 inHg
Wind13 mph S
Humidity99%
Visibility—
Dew point61°
Tue, 0362° / 59°0.19Light rain
62 °Light rain

Porterville, Tuesday, 3 November

Light rain. High 62°, low 59°.

Pressure29.56 inHg
Wind12.6 mph NE
Humidity92%
Visibility—
Dew point59°
Wed, 0461° / 49°0.3Rain
61 °Rain

Porterville, Wednesday, 4 November

Rain. High 61°, low 49°.

Pressure29.38 inHg
Wind16.4 mph SW
Humidity85%
Visibility—
Dew point51°
Thu, 0552° / 48°0.11Light rain
52 °Light rain

Porterville, Thursday, 5 November

Light rain. High 52°, low 48°.

Pressure29.68 inHg
Wind14.9 mph SW
Humidity85%
Visibility—
Dew point46°

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 Porterville, 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 Porterville, 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.