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Mount Gretna, PA

74°F
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Mount Gretna

Pennsylvania

74°
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Mount Gretna, PA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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4 AM

73°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 74%
Chevron down
Showers

WindSSE 5 mph

Air QualityFair

Wind Gusts9 mph

Humidity76%

Indoor Humidity76% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.02 in

Visibility10 mi

Cloud Ceiling14700 ft

5 AM

72°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 56%
Chevron down
Showers

WindSSE 6 mph

Air QualityFair

Wind Gusts9 mph

Humidity76%

Indoor Humidity76% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.02 in

Visibility6 mi

Cloud Ceiling7000 ft

6 AM

71°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™69°

WindSSE 8 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts14 mph

Humidity78%

Indoor Humidity78% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling12900 ft

7 AM

71°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 46%
Chevron down
Cloudy

RealFeel Shade™69°

WindSSE 10 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts14 mph

Humidity77%

Indoor Humidity77% (Humid)

Dew Point63° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling11100 ft

8 AM

72°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 43%
Chevron down
Cloudy

RealFeel Shade™71°

WindS 13 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts14 mph

Humidity73%

Indoor Humidity73% (Humid)

Dew Point64° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling9300 ft

9 AM

74°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™71°

WindS 16 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts16 mph

Humidity71%

Indoor Humidity71% (Humid)

Dew Point64° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling12600 ft

10 AM

74°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms

RealFeel Shade™69°

WindSSW 18 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts30 mph

Humidity79%

Indoor Humidity79% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover89%

Rain0.09 in

Visibility5 mi

Cloud Ceiling4000 ft

11 AM

77°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 39%
Chevron down
Mostly cloudy

RealFeel Shade™75°

WindSSW 20 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts27 mph

Humidity72%

Indoor Humidity72% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover83%

Visibility10 mi

Cloud Ceiling4000 ft

12 PM

80°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 33%
Chevron down
Mostly cloudy

RealFeel Shade™78°

Heat Index83°

WindSW 21 mph

Air QualityFair

Max UV Index6.6 (High)

Wind Gusts37 mph

Humidity66%

Indoor Humidity66% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover77%

Visibility10 mi

Cloud Ceiling22800 ft

1 PM

83°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 36%
Chevron down
Intermittent clouds

RealFeel Shade™81°

Heat Index86°

WindSW 21 mph

Air QualityFair

Max UV Index8.8 (Very High)

Wind Gusts38 mph

Humidity59%

Indoor Humidity59% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling26400 ft

2 PM

85°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™83°

Heat Index88°

WindWSW 18 mph

Air QualityFair

Max UV Index8.4 (Very High)

Wind Gusts33 mph

Humidity57%

Indoor Humidity57% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

85°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™80°

Heat Index88°

WindWSW 20 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts36 mph

Humidity56%

Indoor Humidity56% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

4 PM

87°
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™84°

Heat Index89°

WindWSW 21 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts38 mph

Humidity48%

Indoor Humidity48% (Humid)

Dew Point65° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

89°
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™85°

Heat Index90°

WindW 21 mph

Air QualityFair

Max UV Index3.0 (Moderate)

Wind Gusts38 mph

Humidity41%

Indoor Humidity41% (Humid)

Dew Point63° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

87°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™83°

Heat Index88°

WindW 18 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts35 mph

Humidity42%

Indoor Humidity42% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

86°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 24%
Chevron down
Intermittent clouds

RealFeel Shade™82°

Heat Index86°

WindW 16 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts31 mph

Humidity43%

Indoor Humidity43% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

83°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 4%
Chevron down
Partly sunny

RealFeel Shade™79°

Heat Index83°

WindW 18 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts33 mph

Humidity48%

Indoor Humidity48% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover47%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

80°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 4%
Chevron down
Intermittent clouds

Heat Index80°

WindW 16 mph

Air QualityFair

Wind Gusts29 mph

Humidity53%

Indoor Humidity53% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover57%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

77°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 4%
Chevron down
Intermittent clouds

WindW 13 mph

Air QualityFair

Wind Gusts24 mph

Humidity59%

Indoor Humidity59% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

76°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 4%
Chevron down
Intermittent clouds

WindW 13 mph

Air QualityFair

Wind Gusts23 mph

Humidity61%

Indoor Humidity61% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Mount Gretna

AccuWeather's hourly forecast for Mount Gretna provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 73° with a RealFeel® of 69°, showers with a 74% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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