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Perth IN Weather - Clear - 75°F
Clear
75°F
Updated 12:13 am
Feels Like 82°F
Humidity 81%
Wind N 0 mph
Barometer  30.02 in
Dew Point 69°F
Perth IN Weather - Clear - 24°C
Clear
24°C
Updated 12:13 am
Feels Like 28°C
Humidity 81%
Wind N 0 km/h
Barometer  101.7 kPa
Dew Point 21°C
Perth, IN Weather and Current Conditionsperth in weather forecast

Perth, IN Weather Forecast

Perth Indiana WeatherPerth, Indiana Weather Weather Forecast
14 day API weather forecast for Perth, Indiana. Note: The 7-day weather forecast for Perth, IN is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Perth, IN Weather Forecast Dated: 1213 AM Thu Sep 10 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.

Thursday, September 10, 2026

Mid-Morning
Perth Weather - 2026-09-10 - Morning - Light Fog
70°F 21°C
Light Fog
Mid-Afternoon
Perth Weather - 2026-09-10 - Afternoon - Light Showers
67°F 20°C
Light Showers
Early-Evening
Perth Weather - 2026-09-10 - Evening - Overcast
69°F 21°C
Overcast
Refreshing around 67°F 20°C, drier morning followed by scattered afternoon showers, with steady humidity and steady pressure. Winds turning from the SSE to the NNE at 7 mph 11 km/h.

Friday, September 11, 2026

Mid-Morning
Perth Weather - 2026-09-11 - Morning - Overcast
64°F 18°C
Overcast
Mid-Afternoon
Perth Weather - 2026-09-11 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Perth Weather - 2026-09-11 - Evening - Overcast
74°F 23°C
Overcast
Comfortable with temperatures reaching 76°F 24°C, overcast throughout the day, with lower humidity and barometric pressure falling.

Saturday, September 12, 2026

Mid-Morning
Perth Weather - 2026-09-12 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Perth Weather - 2026-09-12 - Afternoon - Cloudy
83°F 29°C
Cloudy
Early-Evening
Perth Weather - 2026-09-12 - Evening - Overcast
80°F 27°C
Overcast
Very warm near 83°F 29°C, though humidity makes it feel like 86°F 30°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.

Sunday, September 13, 2026

Mid-Morning
Perth Weather - 2026-09-13 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Perth Weather - 2026-09-13 - Afternoon - Overcast
88°F 31°C
Overcast
Early-Evening
Perth Weather - 2026-09-13 - Evening - Overcast
83°F 28°C
Overcast
Warm and summery around 88°F 31°C (feels like 92°F 33°C), overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.

Monday, September 14, 2026

Mid-Morning
Perth Weather - 2026-09-14 - Morning - Sunny
74°F 24°C
Sunny
Mid-Afternoon
Perth Weather - 2026-09-14 - Afternoon - Partly Cloudy
94°F 34°C
Partly Cloudy
Early-Evening
Perth Weather - 2026-09-14 - Evening - Partly Cloudy
91°F 33°C
Partly Cloudy
Hot and sweltering around 94°F 34°C (heat index 97°F 36°C), sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and barometric pressure falling. Winds switching from the SSE to the S at 8 mph 13 km/h.

Tuesday, September 15, 2026

Mid-Morning
Perth Weather - 2026-09-15 - Morning - Sunny
75°F 24°C
Sunny
Mid-Afternoon
Perth Weather - 2026-09-15 - Afternoon - Heavy Rain Showers
82°F 28°C
Heavy Rain Showers
Early-Evening
Perth Weather - 2026-09-15 - Evening - Scattered Showers
72°F 22°C
Scattered Showers
Very warm near 82°F 28°C, though humidity makes it feel like 87°F 30°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the WSW to the ESE at 10 mph 16 km/h. Gusts up to 20 mph 32 km/h.

Wednesday, September 16, 2026

Mid-Morning
Perth Weather - 2026-09-16 - Morning - Overcast
63°F 17°C
Overcast
Mid-Afternoon
Perth Weather - 2026-09-16 - Afternoon - Overcast
65°F 18°C
Overcast
Early-Evening
Perth Weather - 2026-09-16 - Evening - Overcast
67°F 19°C
Overcast
Comfortable at 65°F 18°C, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the NE to the ENE at 7 mph 12 km/h.

Thursday, September 17, 2026

Mid-Morning
Perth Weather - 2026-09-17 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Perth Weather - 2026-09-17 - Afternoon - Overcast
84°F 29°C
Overcast
Early-Evening
Perth Weather - 2026-09-17 - Evening - Light Showers
74°F 23°C
Light Showers
Quite warm reaching 84°F 29°C, feeling like 87°F 31°C during peak afternoon, mainly dry until evening showers arrive, with steady humidity and barometric pressure falling. Winds building from SE at 6 mph 10 km/h to SW at 15 mph 24 km/h. Gusts up to 32 mph 51 km/h.

Friday, September 18, 2026

Mid-Morning
Perth Weather - 2026-09-18 - Morning - Scattered Showers
56°F 13°C
Scattered Showers
Mid-Afternoon
Perth Weather - 2026-09-18 - Afternoon - Scattered Showers
62°F 17°C
Scattered Showers
Early-Evening
Perth Weather - 2026-09-18 - Evening - Scattered Showers
62°F 17°C
Scattered Showers
Refreshing around 62°F 17°C, locally heavy downpours at times, with lower humidity and barometric pressure rising. Winds turning from the W to the NNW at 13 mph 20 km/h. Gusts up to 22 mph 36 km/h.

Saturday, September 19, 2026

Mid-Morning
Perth Weather - 2026-09-19 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Perth Weather - 2026-09-19 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Perth Weather - 2026-09-19 - Evening - Sunny
64°F 18°C
Sunny
Mild with a high of 69°F 21°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds switching from the NNW to the NNE at 8 mph 13 km/h.

Sunday, September 20, 2026

Mid-Morning
Perth Weather - 2026-09-20 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Perth Weather - 2026-09-20 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Perth Weather - 2026-09-20 - Evening - Sunny
66°F 19°C
Sunny
Pleasant near 70°F 21°C, sunny throughout the day, with lower humidity and steady pressure.

Monday, September 21, 2026

Mid-Morning
Perth Weather - 2026-09-21 - Morning - Sunny
58°F 15°C
Sunny
Mid-Afternoon
Perth Weather - 2026-09-21 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Perth Weather - 2026-09-21 - Evening - Overcast
71°F 22°C
Overcast
Comfortable with temperatures reaching 75°F 24°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.

Tuesday, September 22, 2026

Mid-Morning
Perth Weather - 2026-09-22 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Perth Weather - 2026-09-22 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Perth Weather - 2026-09-22 - Evening - Sunny
78°F 25°C
Sunny
Quite warm around 82°F 28°C, sunny throughout the day, with lower humidity and steady pressure.

Wednesday, September 23, 2026

Mid-Morning
Perth Weather - 2026-09-23 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
Perth Weather - 2026-09-23 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Perth Weather - 2026-09-23 - Evening - Overcast
80°F 27°C
Overcast
Warm temperatures up to 84°F 29°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds moving from the SSE to the SW at 9 mph 15 km/h.

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Weather by the Numbers

Thu, 10th
Perth IN Weather - Thursday, Sep 10, 2026 - Patchy Rain Nearby
Hi: 76°F 25°C
Lo: 67°F 19°C
Sunrise 07:25 AM
Sunset 08:05 PM
Wind WNW 6 mph10 km/h
Dew Point 69°F20°C
uv Index 2
Barometric Pressure 30.03 in1017 mb
POP 26% *
Humidity 81%
Fri, 11th
Perth IN Weather - Friday, Sep 11, 2026 - Overcast
Hi: 78°F 25°C
Lo: 64°F 18°C
Sunrise 07:26 AM
Sunset 08:03 PM
Wind E 8 mph12 km/h
Dew Point 60°F16°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 16% *
Humidity 64%
Sat, 12th
Perth IN Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 83°F 29°C
Lo: 67°F 19°C
Sunrise 07:27 AM
Sunset 08:02 PM
Wind SW 5 mph8 km/h
Dew Point 66°F19°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 5% *
Humidity 67%
Sun, 13th
Perth IN Weather - Sunday, Sep 13, 2026 - Partly Cloudy
Hi: 88°F 31°C
Lo: 70°F 21°C
Sunrise 07:28 AM
Sunset 08:00 PM
Wind SSW 2 mph3 km/h
Dew Point 68°F20°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 9% *
Humidity 63%
Mon, 14th
Perth IN Weather - Monday, Sep 14, 2026 - Sunny
Hi: 95°F 35°C
Lo: 71°F 22°C
Sunrise 07:29 AM
Sunset 07:59 PM
Wind S 11 mph18 km/h
Dew Point 66°F19°C
uv Index 8
Barometric Pressure 30 in1016 mb
POP 2% *
Humidity 51%
Tue, 15th
Perth IN Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 86°F 30°C
Lo: 65°F 18°C
Sunrise 07:30 AM
Sunset 07:57 PM
Wind NW 6 mph9 km/h
Dew Point 68°F20°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 4% *
Humidity 62%
Wed, 16th
Perth IN Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 67°F 19°C
Lo: 62°F 17°C
Sunrise 07:31 AM
Sunset 07:55 PM
Wind NE 9 mph14 km/h
Dew Point 52°F11°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 17% *
Humidity 66%
Thu, 17th
Perth IN Weather - Thursday, Sep 17, 2026 - Partly Cloudy
Hi: 86°F 30°C
Lo: 63°F 17°C
Sunrise 07:32 AM
Sunset 07:54 PM
Wind SSE 11 mph17 km/h
Dew Point 65°F18°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 13% *
Humidity 68%
Fri, 18th
Perth IN Weather - Friday, Sep 18, 2026 - Patchy Rain Nearby
Hi: 67°F 20°C
Lo: 55°F 13°C
Sunrise 07:33 AM
Sunset 07:52 PM
Wind W 12 mph19 km/h
Dew Point 55°F13°C
uv Index 3
Barometric Pressure 29.94 in1014 mb
POP 26% *
Humidity 87%
Sat, 19th
Perth IN Weather - Saturday, Sep 19, 2026 - Partly Cloudy
Hi: 69°F 21°C
Lo: 53°F 11°C
Sunrise 07:34 AM
Sunset 07:50 PM
Wind NNW 6 mph10 km/h
Dew Point 50°F10°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 5% *
Humidity 61%
Sun, 20th
Perth IN Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 71°F 22°C
Lo: 52°F 11°C
Sunrise 07:35 AM
Sunset 07:49 PM
Wind E 4 mph7 km/h
Dew Point 50°F10°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 3% *
Humidity 58%
Mon, 21st
Perth IN Weather - Monday, Sep 21, 2026 - Sunny
Hi: 76°F 24°C
Lo: 54°F 12°C
Sunrise 07:36 AM
Sunset 07:47 PM
Wind SE 4 mph7 km/h
Dew Point 51°F10°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 2% *
Humidity 53%
Tue, 22nd
Perth IN Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 83°F 28°C
Lo: 62°F 17°C
Sunrise 07:37 AM
Sunset 07:46 PM
Wind S 7 mph11 km/h
Dew Point 62°F16°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 4% *
Humidity 64%
Wed, 23rd
Perth IN Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 85°F 29°C
Lo: 65°F 19°C
Sunrise 07:37 AM
Sunset 07:44 PM
Wind S 4 mph7 km/h
Dew Point 59°F15°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 2% *
Humidity 53%
* POP = Probability of Precipitation. Data for 12:00 PM.