Newark, Ohio Weather

75°F

Newark, Ohio, USA

Updated: 07/18/2026 3:50pm

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Knox County

SEVERE THUNDERSTORM WATCH - Knox County


Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.

METRIC | IMPERIAL

Updated: 07/18/2026 @ 3:50pm (0 sec ago)

Temperature

Current Conditions

Forecast / Storm Prediction

Currently Outside: 75.0°F Comfortable
High Today 84.0°F 12:22 PM	Low Today 72.6°F 2:38 PM
Yest High 91.5°F 3:18 PM	Yest Low 66.6°F 7:03 AM
Sta* High 92.6°F 2020	Sta* Low 58.7°F 2021
* This Station's Records Since 1/2011
Rec* High 111.9°F 1936	Rec* Low 48.9°F 2009
* Records from Weather Underground



	Cloudy, Humid
	Wind: SW 0.0 Gusting to: 0.0 mph
	Rain: 0.37 in
	Current CBI Fire Danger: -1.0 of 100

This Afternoon Showers And T-Storms Likely	Tonight Chance Showers And T-Storms then Areas Of Smoke	Sunday Areas Of Smoke
Hi 89°F	Lo 66°F	Hi 82°F

Dew Point

Liquid Precipitation

Wind Speed

Sun/Moon

Current:	72.8°F
Last Hour:	2.3°F
High 12:22 PM:	77.9°F
Low 2:24 PM:	69.4°F
Record High:	83.5°F on Jul-4-2025
Record Low:	-40.7°F on May-14-2018
Wetbulb:	73.5°F
Leaf Wet:⁷	3
Indoor Temp:	84.8°F

Rain Today
Today:	0.37 in
Storm Rain:	0.47 in
Yesterday:	0.10 in
Last 7 Days:	0.28 in
Jul Rain:	1.47 in
Jul to Date Avg:¹⁰	0.00 in
Jul to Date Diff from Avg:¹⁰	1.47 in
Jul Avg:	2.71 in
Diff from Avg:	1.24 in
Season:¹	20.28 in
YTD Avg:¹¹	17.16 in
YTD Diff from Avg:¹¹	3.12 in
Last Rain Time/Date:	Jul-18-2026 at 2:14 PM
91 rain days in 2026
5 days in July 0 days since last rain

Current:	SW 0.0 mph
1Hr Average:	Calm
Wind Run:	3.32 miles
Wind Gust
Current:	0.0 mph
Today:	9.2 mph 1:49 PM
Month:	11.0 mph Jul-4
Year:	56.0 mph Feb-11
Record Gust:	56.0 mph Feb-11-2026

Sunlight:

14 h 28 m 52 s
of Sunlight Yesterday
14 h 27 m 33 s
of Sunlight Today Which is
1 min 19 sec shorter than
yesterday
14 h 26 m 12 s
of Sunlight Tomorrow
(Noon ?>)

(Midnight

Waxing Crescent

22%
Illuminated

Humidity

Barometer

Current:	93%
Last Hour:	1%
High 4:17 AM:	94%
Low 12:25 PM:	78%
Record High:	99% Jan-22-2017
Record Low:	0% Mar-4-2022

Current:	30.746 inHg
Last Hour:	Falling slowly
High 12:01 AM:	30.909
Low 1:45 PM:	30.733
Record High:	31.946 inHg Apr-23-2022
Record Low:	25.895 inHg Apr-12-2021

Cooling Degree Days

Lightning Strikes

Heat Index

Air

Today:	6.0
Jul:	230.6
2026 to Date:	524.2
Heating Degree Days
2026 to Date:	2957.9

Last Min:	0
Last 5 Mins:	0
Last 30 Mins:	0
Last 60 Mins:	20
Last 12 Hrs:	228
Jul:	1017
2026 to Date:	11612

Current:	75.0°F
High 12:22pm:	94.7°F
Yesterday:	104.2°F
Record:	127.2°F Jun-2-2023

Quality
Index⁶:
49

Good

Density:
1.21 kg/m³

Current UV Index

Current Solar Energy⁹

1.3

Sunburn in

86 Minutes

Highest:
1:38 PM
2.6

76 W/m²
9%
W/m² ⇒ SI

High Today:
1:39 PM
135 W/m²
Record:
2026 W/m²

Soil Conditions⁸

Irrigation Index⁵

Station All Time Records

Cloud Level

2.4 in:	13.0 cb \| 74°F
1.6 in:	11.0 cb \| 75°F
0.8 in:	5.0 cb \| 76°F
0.2 in:	7.0 cb \| 76°F
Growing conditions at the depth of: 0.2 in:
Soil moisture range is from 0-Wet to 200-Dry/Frozen

Updated at Midnight
Current ET:	0.04 in
7-Days Rain:	0.28 in
7-Days ET:	0.40 in
7-Day:	0.118 in
July:	0.91 in

HIGHS:	LOWS:
99.5°F Jun-21-2022	-12.5°F Jan-31-2026
Daytime Records
95.0°F°F Jun-24-2025	-2.6°F°F Jan-30-2019
Nitetime Records
85.5°F°F Jul-03-2026	-6.3°F°F Jan-01-2018
ICN:18 \| S3C2:4 \| Ajax 3.xx ISS:Ok \| CON:0.8 \| RCP:87%

METRIC | IMPERIAL

Updated: 07/18/2026 @ 3:50pm

¹ Rain season: Jan 1st to Dec 31st. ² Snow season July 1st to June 30th. ³ Snow manually measured usually around 7AM and 7PM. ⁵ Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present). ⁶ Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight. ⁷ Leaf Wetness is surface moisture on foliage. 0 being totally dry and 15 being totally saturated. ⁸ Soil moisture and temperatures are from sensors burried in the ground at the levels specified. ⁹ Solar Index represents either an absolute scale of solar energy (W/m²) using the station’s recorded maximum or a percentage of computed theoretical solar maximum using the station’s location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked. ¹⁰ Historical average only to day 18 of just the month of July for this station since 2011. ¹¹ Historical average rain this season to day 18 of July for this station since 2011.

NWS Weather Forecast - Outlook This Afternoon & Tonight

This
Afternoon

Showers And T-Storms Likely

Hi 89°F

NWS forecast: Showers and thunderstorms likely. Mostly cloudy, with a high near 89. West wind around 12 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Local station forecast: Mostly cloudy with little temp change, precipitation continuing.

Tonight

Chance Showers And T-Storms then Areas Of Smoke

Lo 66°F

NWS forecast: A chance of showers and thunderstorms before 7pm, then showers and thunderstorms between 7pm and 9pm, then a chance of showers and thunderstorms between 9pm and 11pm, then areas of smoke. Mostly cloudy, with a low around 66. Northwest wind 3 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

NWS Short Term Weather Forecast

Sunday Areas Of Smoke	Sunday Night Areas Of Smoke	Monday Sunny	Monday Night Mostly Cloudy then Slight Chance Rain Showers	Tuesday Chance Showers And T-Storms	Tuesday Night Showers And T-Storms then Chance Showers And T-Storms	Wednesday Mostly Sunny
Hi 82°F	Lo 58°F	Hi 84°F	Lo 67°F	Hi 86°F	Lo 65°F	Hi 78°F

Script by: Scott of BurnsvilleWeatherLIVE.com
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