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Smithfield IL Weather - Mostly Cloudy - 80°F
Mostly Cloudy
80°F
Updated 12:58 pm
Feels Like 91°F
Humidity 78%
Wind E 5 mph
Barometer  30.09 in
Dew Point 72°F
Smithfield IL Weather - Mostly Cloudy - 26°C
Mostly Cloudy
26°C
Updated 12:58 pm
Feels Like 33°C
Humidity 78%
Wind E 8 km/h
Barometer  101.8 kPa
Dew Point 22°C
Smithfield, IL Weather and Current Conditionssmithfield il weather forecast

Smithfield, IL Weather Forecast

Smithfield Illinois WeatherSmithfield, Illinois Weather Weather Forecast
14 day API forecast for Smithfield, Illinois. Note. The 7-day weather forecast for Smithfield, IL is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Smithfield, IL Weather Forecast Dated: 1258 PM Sun Sep 06 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.

Sunday, September 6, 2026

Mid-Morning
Smithfield Weather - 2026-09-06 - Morning - Partly Cloudy
74°F 23°C
Partly Cloudy
Mid-Afternoon
Smithfield Weather - 2026-09-06 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
Smithfield Weather - 2026-09-06 - Evening - Overcast
75°F 24°C
Overcast
Warm and summery around 86°F 30°C (feels like 89°F 32°C), partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the E to the ESE at 9 mph 14 km/h.

Monday, September 7, 2026

Mid-Morning
Smithfield Weather - 2026-09-07 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
Smithfield Weather - 2026-09-07 - Afternoon - Partly Cloudy
87°F 31°C
Partly Cloudy
Early-Evening
Smithfield Weather - 2026-09-07 - Evening - Sunny
79°F 27°C
Sunny
Balmy with temperatures reaching 87°F 31°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds blowing from the E at 9 mph 14 km/h. Gusts up to 22 mph 36 km/h.

Tuesday, September 8, 2026

Mid-Morning
Smithfield Weather - 2026-09-08 - Morning - Sunny
74°F 23°C
Sunny
Mid-Afternoon
Smithfield Weather - 2026-09-08 - Afternoon - Sunny
98°F 37°C
Sunny
Early-Evening
Smithfield Weather - 2026-09-08 - Evening - Sunny
94°F 34°C
Sunny
Sizzling hot with 98°F 37°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds moving from the S to the SSE at 14 mph 22 km/h. Gusts up to 25 mph 41 km/h.

Wednesday, September 9, 2026

Mid-Morning
Smithfield Weather - 2026-09-09 - Morning - Light Showers
73°F 23°C
Light Showers
Mid-Afternoon
Smithfield Weather - 2026-09-09 - Afternoon - Overcast
85°F 29°C
Overcast
Early-Evening
Smithfield Weather - 2026-09-09 - Evening - Overcast
79°F 26°C
Overcast
Warm temperatures up to 85°F 29°C, early showers breaking for a drier afternoon, with lower humidity and steady pressure. Winds swinging from the NW to the SW at 4 mph 6 km/h.

Thursday, September 10, 2026

Mid-Morning
Smithfield Weather - 2026-09-10 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Smithfield Weather - 2026-09-10 - Afternoon - Sunny
80°F 27°C
Sunny
Early-Evening
Smithfield Weather - 2026-09-10 - Evening - Sunny
73°F 23°C
Sunny
Very warm with a high of 80°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the NW to the ESE at 5 mph 7 km/h.

Friday, September 11, 2026

Mid-Morning
Smithfield Weather - 2026-09-11 - Morning - Sunny
69°F 21°C
Sunny
Mid-Afternoon
Smithfield Weather - 2026-09-11 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Smithfield Weather - 2026-09-11 - Evening - Sunny
77°F 25°C
Sunny
Warm and summery near 84°F 29°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the S to the SSE at 12 mph 19 km/h. Gusts up to 27 mph 43 km/h.

Saturday, September 12, 2026

Mid-Morning
Smithfield Weather - 2026-09-12 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Smithfield Weather - 2026-09-12 - Afternoon - Light Showers
76°F 25°C
Light Showers
Early-Evening
Smithfield Weather - 2026-09-12 - Evening - Overcast
76°F 25°C
Overcast
Comfortable with temperatures reaching 76°F 25°C, drier morning followed by scattered afternoon showers, with increasing humidity and steady pressure. Winds switching from the SSW to the ENE at 10 mph 16 km/h.

Sunday, September 13, 2026

Mid-Morning
Smithfield Weather - 2026-09-13 - Morning - Light Showers
71°F 22°C
Light Showers
Mid-Afternoon
Smithfield Weather - 2026-09-13 - Afternoon - Scattered Showers
76°F 25°C
Scattered Showers
Early-Evening
Smithfield Weather - 2026-09-13 - Evening - Light Showers
69°F 21°C
Light Showers
Enjoyable around 76°F 25°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the SE to the W at 13 mph 21 km/h. Gusts up to 28 mph 45 km/h.

Monday, September 14, 2026

Mid-Morning
Smithfield Weather - 2026-09-14 - Morning - Scattered Showers
52°F 11°C
Scattered Showers
Mid-Afternoon
Smithfield Weather - 2026-09-14 - Afternoon - Overcast
57°F 14°C
Overcast
Early-Evening
Smithfield Weather - 2026-09-14 - Evening - Overcast
59°F 15°C
Overcast
Brisk around 57°F 14°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds swinging from the N to the NNE at 8 mph 13 km/h.

Tuesday, September 15, 2026

Mid-Morning
Smithfield Weather - 2026-09-15 - Morning - Sunny
58°F 14°C
Sunny
Mid-Afternoon
Smithfield Weather - 2026-09-15 - Afternoon - Sunny
76°F 24°C
Sunny
Early-Evening
Smithfield Weather - 2026-09-15 - Evening - Sunny
67°F 20°C
Sunny
Mild with a high of 76°F 24°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds shifting from the ENE to the E at 8 mph 13 km/h.

Wednesday, September 16, 2026

Mid-Morning
Smithfield Weather - 2026-09-16 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Smithfield Weather - 2026-09-16 - Afternoon - Scattered Showers
74°F 23°C
Scattered Showers
Early-Evening
Smithfield Weather - 2026-09-16 - Evening - Heavy Rain Showers
71°F 21°C
Heavy Rain Showers
Pleasant near 74°F 23°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds blowing from the SSW at 9 mph 15 km/h. Gusts up to 25 mph 40 km/h.

Thursday, September 17, 2026

Mid-Morning
Smithfield Weather - 2026-09-17 - Morning - Light Showers
71°F 22°C
Light Showers
Mid-Afternoon
Smithfield Weather - 2026-09-17 - Afternoon - Partly Cloudy
97°F 36°C
Partly Cloudy
Early-Evening
Smithfield Weather - 2026-09-17 - Evening - Overcast
90°F 33°C
Overcast
Very hot with a high of 97°F 36°C, feeling closer to 101°F 38°C in the humidity, morning showers, giving way to clearing skies, with lower humidity and steady pressure. Winds switching from the SSE to the SSW at 10 mph 17 km/h. Gusts up to 20 mph 32 km/h.

Friday, September 18, 2026

Mid-Morning
Smithfield Weather - 2026-09-18 - Morning - Sunny
84°F 29°C
Sunny
Mid-Afternoon
Smithfield Weather - 2026-09-18 - Afternoon - Sunny
100°F 38°C
Sunny
Early-Evening
Smithfield Weather - 2026-09-18 - Evening - Sunny
92°F 33°C
Sunny
Scorching hot near 100°F 38°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the SW to the SSW at 9 mph 14 km/h.

Saturday, September 19, 2026

Mid-Morning
Smithfield Weather - 2026-09-19 - Morning - Sunny
84°F 29°C
Sunny
Mid-Afternoon
Smithfield Weather - 2026-09-19 - Afternoon - Cloudy
97°F 36°C
Cloudy
Early-Evening
Smithfield Weather - 2026-09-19 - Evening - Sunny
92°F 34°C
Sunny
Hot temperatures near 97°F 36°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds swinging from the SSW to the S at 13 mph 20 km/h. Gusts up to 25 mph 39 km/h.

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Weather by the Numbers

Sun, 6th
Smithfield IL Weather - Sunday, Sep 6, 2026 - Sunny
Hi: 86°F 30°C
Lo: 69°F 21°C
Sunrise 06:34 AM
Sunset 07:26 PM
Wind E 11 mph18 km/h
Dew Point 71°F22°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 4% *
Humidity 62%
Mon, 7th
Smithfield IL Weather - Monday, Sep 7, 2026 - Cloudy
Hi: 88°F 31°C
Lo: 62°F 16°C
Sunrise 06:35 AM
Sunset 07:24 PM
Wind ESE 10 mph16 km/h
Dew Point 51°F11°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 5% *
Humidity 35%
Tue, 8th
Smithfield IL Weather - Tuesday, Sep 8, 2026 - Partly Cloudy
Hi: 99°F 37°C
Lo: 63°F 17°C
Sunrise 06:35 AM
Sunset 07:22 PM
Wind S 11 mph18 km/h
Dew Point 48°F9°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 2% *
Humidity 24%
Wed, 9th
Smithfield IL Weather - Wednesday, Sep 9, 2026 - Overcast
Hi: 89°F 32°C
Lo: 72°F 22°C
Sunrise 06:36 AM
Sunset 07:21 PM
Wind N 4 mph7 km/h
Dew Point 69°F21°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 20% *
Humidity 74%
Thu, 10th
Smithfield IL Weather - Thursday, Sep 10, 2026 - Partly Cloudy
Hi: 80°F 27°C
Lo: 65°F 18°C
Sunrise 06:37 AM
Sunset 07:19 PM
Wind NNE 6 mph10 km/h
Dew Point 65°F18°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 11% *
Humidity 68%
Fri, 11th
Smithfield IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 84°F 29°C
Lo: 61°F 16°C
Sunrise 06:38 AM
Sunset 07:17 PM
Wind S 11 mph18 km/h
Dew Point 56°F13°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 2% *
Humidity 47%
Sat, 12th
Smithfield IL Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 77°F 25°C
Lo: 68°F 20°C
Sunrise 06:39 AM
Sunset 07:15 PM
Wind W 11 mph18 km/h
Dew Point 65°F18°C
uv Index 5
Barometric Pressure 29.8 in1009 mb
POP 49% *
Humidity 70%
Sun, 13th
Smithfield IL Weather - Sunday, Sep 13, 2026 - Light Rain Shower
Hi: 81°F 27°C
Lo: 58°F 15°C
Sunrise 06:40 AM
Sunset 07:14 PM
Wind SSW 14 mph23 km/h
Dew Point 69°F21°C
uv Index 6
Barometric Pressure 29.77 in1008 mb
POP 28% *
Humidity 74%
Mon, 14th
Smithfield IL Weather - Monday, Sep 14, 2026 - Overcast
Hi: 60°F 16°C
Lo: 52°F 11°C
Sunrise 06:41 AM
Sunset 07:12 PM
Wind ESE 13 mph21 km/h
Dew Point 50°F10°C
uv Index 3
Barometric Pressure 30.15 in1021 mb
POP 28% *
Humidity 88%
Tue, 15th
Smithfield IL Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 77°F 25°C
Lo: 48°F 9°C
Sunrise 06:42 AM
Sunset 07:10 PM
Wind ESE 7 mph12 km/h
Dew Point 38°F4°C
uv Index 6
Barometric Pressure 30.27 in1025 mb
POP 1% *
Humidity 33%
Wed, 16th
Smithfield IL Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 83°F 28°C
Lo: 58°F 15°C
Sunrise 06:43 AM
Sunset 07:09 PM
Wind S 12 mph20 km/h
Dew Point 41°F5°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 9% *
Humidity 26%
Thu, 17th
Smithfield IL Weather - Thursday, Sep 17, 2026 - Moderate Or Heavy Rain Shower
Hi: 98°F 37°C
Lo: 68°F 20°C
Sunrise 06:44 AM
Sunset 07:07 PM
Wind SSW 11 mph18 km/h
Dew Point 66°F19°C
uv Index 7
Barometric Pressure 29.97 in1015 mb
POP 57% *
Humidity 53%
Fri, 18th
Smithfield IL Weather - Friday, Sep 18, 2026 - Sunny
Hi: 100°F 38°C
Lo: 77°F 25°C
Sunrise 06:45 AM
Sunset 07:05 PM
Wind SW 12 mph19 km/h
Dew Point 63°F17°C
uv Index 9
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 35%
Sat, 19th
Smithfield IL Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 98°F 37°C
Lo: 78°F 26°C
Sunrise 06:46 AM
Sunset 07:04 PM
Wind SSW 15 mph24 km/h
Dew Point 63°F17°C
uv Index 8
Barometric Pressure 29.94 in1014 mb
POP 4% *
Humidity 38%
* POP = Probability of Precipitation. Data for 12:00 PM.