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Diagonal IA Weather - Clear - 68°F
Clear
68°F
Updated 3:06 am
Feels Like 72°F
Humidity 82%
Wind NNE 9 mph
Barometer  30.05 in
Dew Point 62°F
Diagonal IA Weather - Clear - 20°C
Clear
20°C
Updated 3:06 am
Feels Like 22°C
Humidity 82%
Wind NNE 14 km/h
Barometer  101.7 kPa
Dew Point 17°C
Diagonal, IA Weather and Current Conditionsdiagonal ia weather forecast

Diagonal, IA Weather Forecast

Diagonal Iowa WeatherDiagonal, Iowa Weather Weather Forecast
14 day API weather forecast for Diagonal, Iowa. Note: The 7-day weather forecast for Diagonal, IA 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.
Diagonal, IA Weather Forecast Dated: 306 AM Thu Sep 10 2026
Expect a mild stretch 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. Isolated storms at times.

Thursday, September 10, 2026

Mid-Morning
Diagonal Weather - 2026-09-10 - Morning - Scattered Showers
69°F 20°C
Scattered Showers
Mid-Afternoon
Diagonal Weather - 2026-09-10 - Afternoon - Sunny
85°F 29°C
Sunny
Early-Evening
Diagonal Weather - 2026-09-10 - Evening - Sunny
79°F 26°C
Sunny
Warm and summery near 85°F 29°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.

Friday, September 11, 2026

Mid-Morning
Diagonal Weather - 2026-09-11 - Morning - Sunny
67°F 20°C
Sunny
Mid-Afternoon
Diagonal Weather - 2026-09-11 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Diagonal Weather - 2026-09-11 - Evening - Partly Cloudy
82°F 28°C
Partly Cloudy
Balmy with temperatures reaching 86°F 30°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the S to the SSE at 14 mph 23 km/h. Gusts up to 25 mph 40 km/h.

Saturday, September 12, 2026

Mid-Morning
Diagonal Weather - 2026-09-12 - Morning - Overcast
69°F 20°C
Overcast
Mid-Afternoon
Diagonal Weather - 2026-09-12 - Afternoon - Nearby Thunderstorms
86°F 30°C
Nearby Thunderstorms
Early-Evening
Diagonal Weather - 2026-09-12 - Evening - Sunny
80°F 27°C
Sunny
Quite warm around 86°F 30°C, heavy thunderstorms conditions at times, with lower humidity and steady pressure. Winds switching from the SSW to the NNE at 11 mph 16 km/h.

Sunday, September 13, 2026

Mid-Morning
Diagonal Weather - 2026-09-13 - Morning - Light Showers
66°F 19°C
Light Showers
Mid-Afternoon
Diagonal Weather - 2026-09-13 - Afternoon - Scattered Showers
71°F 22°C
Scattered Showers
Early-Evening
Diagonal Weather - 2026-09-13 - Evening - Heavy Rain Showers
72°F 23°C
Heavy Rain Showers
Mild temperatures up to 71°F 22°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds moving from the SSW to the SE at 10 mph 16 km/h. Gusts up to 22 mph 36 km/h.

Monday, September 14, 2026

Mid-Morning
Diagonal Weather - 2026-09-14 - Morning - Sunny
77°F 25°C
Sunny
Mid-Afternoon
Diagonal Weather - 2026-09-14 - Afternoon - Sunny
83°F 28°C
Sunny
Early-Evening
Diagonal Weather - 2026-09-14 - Evening - Nearby Thunderstorms
75°F 24°C
Nearby Thunderstorms
Quite warm reaching 83°F 28°C, feeling like 88°F 31°C during peak afternoon, locally heavy thunderstorms at times, with increasing humidity and steady pressure. A stray shower or storm late in the day. Winds easing from SSW 17 mph 27 km/h to NW 8 mph 13 km/h.

Tuesday, September 15, 2026

Mid-Morning
Diagonal Weather - 2026-09-15 - Morning - Light Fog
58°F 15°C
Light Fog
Mid-Afternoon
Diagonal Weather - 2026-09-15 - Afternoon - Scattered Showers
64°F 18°C
Scattered Showers
Early-Evening
Diagonal Weather - 2026-09-15 - Evening - Light Showers
65°F 18°C
Light Showers
Mildly cool near 64°F 18°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the NNE to the ENE at 6 mph 10 km/h.

Wednesday, September 16, 2026

Mid-Morning
Diagonal Weather - 2026-09-16 - Morning - Overcast
64°F 18°C
Overcast
Mid-Afternoon
Diagonal Weather - 2026-09-16 - Afternoon - Partly Cloudy
79°F 26°C
Partly Cloudy
Early-Evening
Diagonal Weather - 2026-09-16 - Evening - Sunny
79°F 26°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the ESE to the SSE at 11 mph 18 km/h. Gusts up to 23 mph 37 km/h.

Thursday, September 17, 2026

Mid-Morning
Diagonal Weather - 2026-09-17 - Morning - Overcast
77°F 25°C
Overcast
Mid-Afternoon
Diagonal Weather - 2026-09-17 - Afternoon - Light Showers
59°F 15°C
Light Showers
Early-Evening
Diagonal Weather - 2026-09-17 - Evening - Light Showers
58°F 15°C
Light Showers
Cool with a high near 59°F 15°C, clouds and showers taking over for the afternoon and evening, with steady humidity and barometric pressure rising. Winds switching from the W to the NNE at 12 mph 20 km/h. Gusts up to 26 mph 41 km/h.

Friday, September 18, 2026

Mid-Morning
Diagonal Weather - 2026-09-18 - Morning - Sunny
51°F 10°C
Sunny
Mid-Afternoon
Diagonal Weather - 2026-09-18 - Afternoon - Sunny
64°F 18°C
Sunny
Early-Evening
Diagonal Weather - 2026-09-18 - Evening - Sunny
61°F 17°C
Sunny
Refreshing around 64°F 18°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds blowing from the NNE at 7 mph 11 km/h.

Saturday, September 19, 2026

Mid-Morning
Diagonal Weather - 2026-09-19 - Morning - Overcast
54°F 12°C
Overcast
Mid-Afternoon
Diagonal Weather - 2026-09-19 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Diagonal Weather - 2026-09-19 - Evening - Sunny
64°F 18°C
Sunny
Mildly cool near 66°F 19°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling.

Sunday, September 20, 2026

Mid-Morning
Diagonal Weather - 2026-09-20 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Diagonal Weather - 2026-09-20 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Diagonal Weather - 2026-09-20 - Evening - Partly Cloudy
70°F 21°C
Partly Cloudy
Pleasant near 70°F 21°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds S at 17 mph 28 km/h. Gusts up to 29 mph 47 km/h.

Monday, September 21, 2026

Mid-Morning
Diagonal Weather - 2026-09-21 - Morning - Light Showers
62°F 16°C
Light Showers
Mid-Afternoon
Diagonal Weather - 2026-09-21 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Diagonal Weather - 2026-09-21 - Evening - Partly Cloudy
71°F 22°C
Partly Cloudy
Comfortable with temperatures reaching 75°F 24°C, morning showers, giving way to clearing skies, with steady humidity and steady pressure. Winds easing from S 21 mph 33 km/h to NNW 8 mph 13 km/h.

Tuesday, September 22, 2026

Mid-Morning
Diagonal Weather - 2026-09-22 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Diagonal Weather - 2026-09-22 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Diagonal Weather - 2026-09-22 - Evening - Sunny
64°F 18°C
Sunny
Enjoyable around 70°F 21°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NW to the ESE at 13 mph 20 km/h. Gusts up to 24 mph 38 km/h.

Wednesday, September 23, 2026

Mid-Morning
Diagonal Weather - 2026-09-23 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Diagonal Weather - 2026-09-23 - Afternoon - Sunny
63°F 17°C
Sunny
Early-Evening
Diagonal Weather - 2026-09-23 - Evening - Sunny
61°F 16°C
Sunny
Mildly cool near 63°F 17°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the ESE to the NE at 8 mph 13 km/h.

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Weather by the Numbers

Thu, 10th
Diagonal IA Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 85°F 29°C
Lo: 64°F 18°C
Sunrise 06:54 AM
Sunset 07:35 PM
Wind ESE 4 mph6 km/h
Dew Point 54°F12°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 10% *
Humidity 42%
Fri, 11th
Diagonal IA Weather - Friday, Sep 11, 2026 - Sunny
Hi: 86°F 30°C
Lo: 67°F 20°C
Sunrise 06:55 AM
Sunset 07:34 PM
Wind S 16 mph26 km/h
Dew Point 53°F12°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 39%
Sat, 12th
Diagonal IA Weather - Saturday, Sep 12, 2026 - Thundery Outbreaks In Nearby
Hi: 87°F 31°C
Lo: 69°F 20°C
Sunrise 06:56 AM
Sunset 07:32 PM
Wind SW 6 mph9 km/h
Dew Point 66°F19°C
uv Index 5
Barometric Pressure 29.85 in1011 mb
POP 25% *
Humidity 67%
Sun, 13th
Diagonal IA Weather - Sunday, Sep 13, 2026 - Patchy Rain Nearby
Hi: 75°F 24°C
Lo: 66°F 19°C
Sunrise 06:57 AM
Sunset 07:30 PM
Wind S 11 mph18 km/h
Dew Point 66°F19°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 42% *
Humidity 92%
Mon, 14th
Diagonal IA Weather - Monday, Sep 14, 2026 - Sunny
Hi: 88°F 31°C
Lo: 66°F 19°C
Sunrise 06:58 AM
Sunset 07:29 PM
Wind SW 20 mph33 km/h
Dew Point 60°F16°C
uv Index 8
Barometric Pressure 29.77 in1008 mb
POP 1% *
Humidity 40%
Tue, 15th
Diagonal IA Weather - Tuesday, Sep 15, 2026 - Patchy Rain Nearby
Hi: 66°F 19°C
Lo: 58°F 15°C
Sunrise 06:59 AM
Sunset 07:27 PM
Wind ENE 10 mph15 km/h
Dew Point 56°F13°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 35% *
Humidity 83%
Wed, 16th
Diagonal IA Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 80°F 27°C
Lo: 62°F 17°C
Sunrise 07:00 AM
Sunset 07:25 PM
Wind SE 11 mph17 km/h
Dew Point 65°F19°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 14% *
Humidity 81%
Thu, 17th
Diagonal IA Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 79°F 26°C
Lo: 54°F 12°C
Sunrise 07:01 AM
Sunset 07:24 PM
Wind E 18 mph30 km/h
Dew Point 60°F16°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 36% *
Humidity 77%
Fri, 18th
Diagonal IA Weather - Friday, Sep 18, 2026 - Sunny
Hi: 65°F 18°C
Lo: 48°F 9°C
Sunrise 07:02 AM
Sunset 07:22 PM
Wind NE 9 mph14 km/h
Dew Point 31°F-1°C
uv Index 4
Barometric Pressure 30.36 in1028 mb
POP 1% *
Humidity 35%
Sat, 19th
Diagonal IA Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 67°F 20°C
Lo: 50°F 10°C
Sunrise 07:03 AM
Sunset 07:20 PM
Wind S 5 mph8 km/h
Dew Point 38°F3°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 42%
Sun, 20th
Diagonal IA Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 71°F 22°C
Lo: 52°F 11°C
Sunrise 07:04 AM
Sunset 07:18 PM
Wind SSE 16 mph26 km/h
Dew Point 39°F4°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 40%
Mon, 21st
Diagonal IA Weather - Monday, Sep 21, 2026 - Sunny
Hi: 76°F 24°C
Lo: 60°F 15°C
Sunrise 07:05 AM
Sunset 07:17 PM
Wind SSW 19 mph31 km/h
Dew Point 52°F11°C
uv Index 6
Barometric Pressure 29.85 in1011 mb
POP 8% *
Humidity 54%
Tue, 22nd
Diagonal IA Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 71°F 22°C
Lo: 56°F 13°C
Sunrise 07:06 AM
Sunset 07:15 PM
Wind NW 16 mph26 km/h
Dew Point 47°F8°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 50%
Wed, 23rd
Diagonal IA Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 64°F 18°C
Lo: 48°F 9°C
Sunrise 07:07 AM
Sunset 07:13 PM
Wind N 11 mph18 km/h
Dew Point 40°F5°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 3% *
Humidity 53%
* POP = Probability of Precipitation. Data for 12:00 PM.