New Castle, Indiana 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 87°F 31°C Heat Index: 90°F	Observed at: New Castle, IN	Elevation: 1040 ft | 317 m
	Last Updated: July 16, 8:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 87°F | 31°C
	Pressure: 28.91 in | 979 mb	Dewpoint: 67°F | 19°C
	Humidity: 51%	Wind: W 3 mph | W 5 kph
	Feels Like: 92°F | 33°C	Visibility: 77.3 mi | 124.3 km
	Lat/Long: 39.9203 | -85.3697	Sunrise: 6:26 AM   Sunset: 9:08 PM

7 Day Graphical Forecast

Valid: 8:18 PM 7/16/2026

Today Overcast 90 |71 °F 32 |22 °C 6% Chance Precipitation Friday Heavy Showers 90 |73 °F 32 |23 °C 40% Chance Precipitation Saturday Thunderstorm with Hail 85 |73 °F 29 |23 °C 74% Chance Precipitation Sunday Light Drizzle 79 |62 °F 26 |17 °C 59% Chance Precipitation Monday Overcast 80 |61 °F 27 |16 °C 11% Chance Precipitation Tuesday Thunderstorm with Hail 89 |67 °F 32 |20 °C 40% Chance Precipitation Wednesday Overcast 68 |54 °F 20 |12 °C 23% Chance Precipitation

7 Hour Graphical Forecast

Valid: 8:18 PM 7/16/2026

8 PM Clear 88 °F 1% Chance Precipitation

9 PM Clear 84 °F 2% Chance Precipitation

10 PM Clear 81 °F 6% Chance Precipitation

11 PM Clear 79 °F 4% Chance Precipitation

12 AM Clear 78 °F 3% Chance Precipitation

1 AM Clear 77 °F 3% Chance Precipitation

2 AM Overcast 76 °F 2% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for New Castle, IN - (Fahrenheit & Celsius) Valid: 8:18 PM 7/16/2026 Today Overcast with a high near 90°F [32°C]. W wind to around 8 mph [12 kph], with gusts to near 10 mph [15 kph]. Dewpoint near 67°F [19°C] with humidity of 95%. Pressure around 28.91 in [979 mb]. UV Index: 7.6. Chance of precipitation 6% with QPF of 0.00 in [0.0 mm]. Tonight Overcast with a low around 71°F [22°C]. W wind to around 8 mph [12 kph], with gusts to near 10 mph [15 kph]. Chance of precipitation 6% with QPF of 0.00 in [0.0 mm]. Friday Heavy Showers with a high near 90°F [32°C]. S wind to around 16 mph [26 kph], with gusts to near 22 mph [36 kph]. Dewpoint near 67°F [19°C] with humidity of 94%. Pressure around 28.91 in [979 mb]. UV Index: 4.35. Chance of precipitation 40% with QPF of 0.71 in [18.0 mm]. Friday Night Heavy Showers with a low around 73°F [23°C]. S wind to around 16 mph [26 kph], with gusts to near 22 mph [36 kph]. Chance of precipitation 40% with QPF of 0.71 in [18.0 mm]. Saturday Thunderstorm with Hail with a high near 85°F [29°C]. WSW wind to around 15 mph [24 kph], with gusts to near 33 mph [53 kph]. Dewpoint near 67°F [19°C] with humidity of 97%. Pressure around 28.91 in [979 mb]. UV Index: 7.6. Chance of precipitation 74% with QPF of 0.31 in [7.8 mm]. Saturday Night Thunderstorm with Hail with a low around 73°F [23°C]. WSW wind to around 15 mph [24 kph], with gusts to near 33 mph [53 kph]. Chance of precipitation 74% with QPF of 0.31 in [7.8 mm]. Sunday Light Drizzle with a high near 79°F [26°C]. NNE wind to around 9 mph [14 kph], with gusts to near 21 mph [34 kph]. Dewpoint near 67°F [19°C] with humidity of 96%. Pressure around 28.91 in [979 mb]. UV Index: 7.55. Chance of precipitation 59% with QPF of 0.02 in [0.4 mm]. Sunday Night Light Drizzle with a low around 62°F [17°C]. NNE wind to around 9 mph [14 kph], with gusts to near 21 mph [34 kph]. Chance of precipitation 59% with QPF of 0.02 in [0.4 mm]. Monday Overcast with a high near 80°F [27°C]. SSE wind to around 8 mph [12 kph], with gusts to near 15 mph [23 kph]. Dewpoint near 67°F [19°C] with humidity of 93%. Pressure around 28.91 in [979 mb]. UV Index: 7.5. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm]. Monday Night Overcast with a low around 61°F [16°C]. SSE wind to around 8 mph [12 kph], with gusts to near 15 mph [23 kph]. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm]. Tuesday Thunderstorm with Hail with a high near 89°F [32°C]. WSW wind to around 18 mph [29 kph], with gusts to near 34 mph [54 kph]. Dewpoint near 67°F [19°C] with humidity of 98%. Pressure around 28.91 in [979 mb]. UV Index: 7.7. Chance of precipitation 40% with QPF of 0.05 in [1.3 mm]. Tuesday Night Thunderstorm with Hail with a low around 67°F [20°C]. WSW wind to around 18 mph [29 kph], with gusts to near 34 mph [54 kph]. Chance of precipitation 40% with QPF of 0.05 in [1.3 mm]. Wednesday Overcast with a high near 68°F [20°C]. N wind to around 14 mph [23 kph], with gusts to near 31 mph [50 kph]. Dewpoint near 67°F [19°C] with humidity of 88%. Pressure around 28.91 in [979 mb]. UV Index: 7.05. Chance of precipitation 23% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 54°F [12°C]. N wind to around 14 mph [23 kph], with gusts to near 31 mph [50 kph]. Chance of precipitation 23% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for New Castle, IN

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Friday: 18.0 mm | 0.71 in

Friday Night: 18.0 mm | 0.71 in

Saturday: 7.8 mm | 0.31 in

Saturday Night: 7.8 mm | 0.31 in

Sunday: 0.4 mm | 0.02 in

Sunday Night: 0.4 mm | 0.02 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 1.3 mm | 0.05 in

Tuesday Night: 1.3 mm | 0.05 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for New Castle, IN

Today: W @ 12 kph | 8 mph

Tonight: W @ 12 kph | 8 mph

Friday: S @ 26 kph | 16 mph

Friday Night: S @ 26 kph | 16 mph

Saturday: WSW @ 24 kph | 15 mph

Saturday Night: WSW @ 24 kph | 15 mph

Sunday: NNE @ 14 kph | 9 mph

Sunday Night: NNE @ 14 kph | 9 mph

Monday: SSE @ 12 kph | 8 mph

Monday Night: SSE @ 12 kph | 8 mph

Tuesday: WSW @ 29 kph | 18 mph

Tuesday Night: WSW @ 29 kph | 18 mph

Wednesday: N @ 23 kph | 14 mph

Wednesday Night: N @ 23 kph | 14 mph

7 Day and Night - Maximum Humidity Forecast for New Castle, IN

Today: 95 %

Tonight: 95 %

Friday: 94 %

Friday Night: 94 %

Saturday: 97 %

Saturday Night: 97 %

Sunday: 96 %

Sunday Night: 96 %

Monday: 93 %

Monday Night: 93 %

Tuesday: 98 %

Tuesday Night: 98 %

Wednesday: 88 %

Wednesday Night: 88 %

7 Day and Night - Snowfall Totals Forecast for New Castle, IN

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

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