Cities / United States / Pennsylvania

26°

☀️ Mercersburg weather

Clear sky. .

Feels like 28° Wind 9 km/h SW Humidity 55% Pressure 1014 hPa UV 5 Air Fair 06:27 - 20:02

Right now it is 26° in Mercersburg with clear skies and today's high is 31° with an overnight low of 16°. The sun rises at 06:27 and sets at 20:02, giving 13h 35m of daylight. Over the coming week highs range from 25° to 30°.

Mercersburg is in Pennsylvania, United States, sitting 173 m above sea level, with a population of about 2,000. Local time is America/New_York (UTC−4), and every time on this page is shown in it.

Next 24 hours - temperature

19° 25° 31° 31° 20° 10:00 · 25° · 0 mm 11:00 · 26.9° · 0 mm 12:00 · 28.4° · 0 mm 13:00 · 29.6° · 0 mm 14:00 · 30.5° · 0 mm 15:00 · 31° · 0 mm 16:00 · 30.5° · 0 mm 17:00 · 30.3° · 0 mm 18:00 · 29.9° · 0 mm 19:00 · 29° · 0 mm 20:00 · 26.7° · 0 mm 21:00 · 25.1° · 0 mm 22:00 · 24.1° · 0 mm 23:00 · 23.4° · 0 mm 00:00 · 22.7° · 0 mm 01:00 · 22° · 0 mm 02:00 · 21.3° · 0 mm 03:00 · 20.7° · 0 mm 04:00 · 20.4° · 0 mm 05:00 · 20° · 0 mm 06:00 · 19.9° · 0 mm 07:00 · 20.1° · 0 mm 08:00 · 21.7° · 0 mm 09:00 · 23.6° · 0 mm

Precipitation

10:00 · 0 mm 10:00 11:00 · 0 mm 12:00 · 0 mm 13:00 · 0 mm 13:00 14:00 · 0 mm 15:00 · 0 mm 16:00 · 0 mm 16:00 17:00 · 0 mm 18:00 · 0 mm 19:00 · 0 mm 19:00 20:00 · 0 mm 21:00 · 0 mm 22:00 · 0 mm 22:00 23:00 · 0 mm 00:00 · 0 mm 01:00 · 0 mm 01:00 02:00 · 0 mm 03:00 · 0 mm 04:00 · 0 mm 04:00 05:00 · 0 mm 06:00 · 0 mm 07:00 · 0 mm 07:00 08:00 · 0 mm 09:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
10:00 ☀️ 25° 25.8° - Clear sky
11:00 ☀️ 26.9° 26.6° - Clear sky
12:00 ☀️ 28.4° 28.1° - Clear sky
13:00 29.6° 29.1° - Partly cloudy
14:00 ☁️ 30.5° 29.7° - Overcast
15:00 31° 29.1° - Partly cloudy
16:00 ☁️ 30.5° 28.3° - Overcast
17:00 30.3° 28.6° - Partly cloudy
18:00 ☀️ 29.9° 29° - Clear sky
19:00 ☁️ 29° 28.7° - Overcast
20:00 ☁️ 26.7° 26.9° - Overcast
21:00 ☁️ 25.1° 25.7° - Overcast

Next 16 days

☀️ TodayAugust 19th Avg 24° Low 16° at 06:00 High 31° at 15:00 Wind ~18 km/h
Clear Cloudy
00:00 19°
02:00 18°
04:00 17°
06:00 16°
08:00 18°
10:00 25°
12:00 28°
14:00 31°
16:00 31°
18:00 30°
20:00 27°
22:00 24°
🌦️ ThursdayAugust 20th Avg 23° Low 20° at 06:00 High 28° at 14:00 0.7 mm rain Wind ~20 km/h
Clear Cloudy Cloudy Clear
00:00 23°
02:00 21°
04:00 20°
06:00 20°
08:00 22°
10:00 25° 0.7mm
12:00 25°
14:00 28°
16:00 28°
18:00 25°
20:00 23°
22:00 21°
🌧️ FridayAugust 21st Avg 21° Low 18° at 05:00 High 25° at 15:00 7.4 mm rain Feels 28° Wind ~9 km/h
Clear Cloudy Rain
00:00 20°
02:00 19°
04:00 18°
06:00 18°
08:00 20°
10:00 22°
12:00 25° 0.6mm
14:00 24° 0.7mm
16:00 25° 0.6mm
18:00 24° 0.6mm
20:00 22° 0.3mm
22:00 21°
🌧️ SaturdayAugust 22nd Avg 22° Low 19° at 23:00 High 29° at 16:00 9.4 mm rain Feels 31° Wind ~11 km/h
Cloudy Rain Cloudy Clear Rain
00:00 20°
02:00 20°
04:00 20° 1mm
06:00 20° 1.3mm
08:00 20° 0.2mm
10:00 21° 0.4mm
12:00 22°
14:00 25°
16:00 29°
18:00 28°
20:00 24°
22:00 20° 1.3mm
🌦️ SundayAugust 23rd Avg 23° Low 18° at 06:00 High 30° at 16:00 0.9 mm rain Wind ~22 km/h
Clear Cloudy Clear
00:00 19°
02:00 18° 0.2mm
04:00 18°
06:00 18°
08:00 20°
10:00 24°
12:00 28°
14:00 29° 0.3mm
16:00 30°
18:00 27°
20:00 23°
22:00 19°
☀️ MondayAugust 24th Avg 21° Low 14° at 05:00 High 28° at 16:00 Feels 26° Wind ~10 km/h
Clear Partly Cloudy Clear
00:00 17°
02:00 16°
04:00 15°
06:00 15°
08:00 17°
10:00 22°
12:00 26°
14:00 27°
16:00 28°
18:00 26°
20:00 21°
22:00 18°
🌤️ TuesdayAugust 25th Avg 21° Low 16° at 05:00 High 27° at 15:00 0.3 mm rain Wind ~18 km/h
Partly Cloudy Clear Rain
00:00 17°
02:00 17°
04:00 16°
06:00 16°
08:00 18°
10:00 23°
12:00 26°
14:00 27°
16:00 27°
18:00 26°
20:00 23°
22:00 20° 0.1mm
🌦️ WednesdayAugust 26th Avg 19° Low 18° at 01:00 High 21° at 17:00 8.1 mm rain Feels 23° Wind ~13 km/h
Rain Cloudy Rain
00:00 18° 0.8mm
02:00 18° 0.8mm
04:00 18° 0.8mm
06:00 19° 0.6mm
08:00 19° 0.6mm
10:00 19° 0.3mm
12:00 20°
14:00 20°
16:00 21°
18:00 21°
20:00 20°
22:00 19° 0.2mm
🌧️ ThursdayAugust 27th Avg 19° Low 18° at 20:00 High 20° at 13:00 18.3 mm rain Wind ~17 km/h
Rain
00:00 19° 0.1mm
02:00 19° 0.1mm
04:00 19° 0.2mm
06:00 19° 0.2mm
08:00 19° 0.2mm
10:00 19° 1.9mm
12:00 20° 0.7mm
14:00 20° 0.7mm
16:00 19° 0.7mm
18:00 19° 0.7mm
20:00 18° 0.7mm
22:00 18° 1.6mm
🌧️ FridayAugust 28th Avg 17° Low 16° at 23:00 High 18° at 00:00 25.2 mm rain Wind ~19 km/h
Rain Cloudy
00:00 18° 1.9mm
02:00 18° 1.9mm
04:00 17° 1.8mm
06:00 17° 1.1mm
08:00 17° 1.1mm
10:00 17° 1.6mm
12:00 16° 1.1mm
14:00 17° 1.1mm
16:00 16° 0.9mm
18:00 16°
20:00 16°
22:00 16°
☁️ SaturdayAugust 29th Avg 17° Low 15° at 06:00 High 22° at 16:00 Wind ~12 km/h
Cloudy
00:00 15°
02:00 15°
04:00 15°
06:00 15°
08:00 15°
10:00 16°
12:00 19°
14:00 21°
16:00 22°
18:00 20°
20:00 17°
22:00 16°
🌧️ SundayAugust 30th Avg 17° Low 14° at 04:00 High 21° at 14:00 4.5 mm rain Wind ~11 km/h
Cloudy Rain
00:00 15°
02:00 15°
04:00 14°
06:00 14°
08:00 16°
10:00 18°
12:00 20°
14:00 21°
16:00 20°
18:00 19°
20:00 18°
22:00 16° 1.5mm
🌦️ MondayAugust 31st Avg 18° Low 15° at 00:00 High 21° at 17:00 3.9 mm rain Wind ~17 km/h
Rain Cloudy
00:00 15° 0.3mm
02:00 16° 0.3mm
04:00 16° 0.8mm
06:00 16° 0.2mm
08:00 16° 0.2mm
10:00 18°
12:00 19°
14:00 20°
16:00 21°
18:00 20°
20:00 20°
22:00 19°
☁️ TuesdaySeptember 1st Avg 22° Low 18° at 04:00 High 27° at 15:00 0.3 mm rain Feels 29° Wind ~8 km/h
Rain Cloudy Clear Clear
00:00 19° 0.1mm
02:00 19° 0.1mm
04:00 18°
06:00 18°
08:00 19°
10:00 23°
12:00 26°
14:00 27°
16:00 27°
18:00 25°
20:00 22°
22:00 21°
☀️ WednesdaySeptember 2nd Avg 23° Low 18° at 04:00 High 29° at 15:00 Wind ~12 km/h
Clear Clear
00:00 20°
02:00 19°
04:00 18°
06:00 18°
08:00 20°
10:00 24°
12:00 27°
14:00 28°
16:00 29°
18:00 26°
20:00 23°
22:00 20°
☁️ ThursdaySeptember 3rd Avg 22° Low 18° at 04:00 High 29° at 16:00 Feels 31° Wind ~7 km/h
Partly Cloudy Cloudy Cloudy Partly Cloudy
00:00 19°
02:00 18°
04:00 18°
06:00 18°
08:00 19°
10:00 24°
12:00 27°
14:00 28°
16:00 29°
18:00 27°
20:00 22°
22:00 20°

Sun

☀️ Sunrise 06:27 · Sunset 20:02

13h 35m of daylight · America/New_York

Air quality

PM2.5 10.1 µg/m³ - Fair

Fine for almost everyone; unusually sensitive people may notice it on a long run.

Source: Copernicus CAMS, updated hourly.

Nearby

Tools for Mercersburg

Common questions about Mercersburg weather

Will it rain in Mercersburg today?

No rain is in the forecast for Mercersburg today.

What is the temperature in Mercersburg right now?

It is 26° in Mercersburg right now, though it feels closer to 28°. Today runs between a low of 16° and a high of 31°.

What time is sunrise and sunset in Mercersburg?

The sun rises at 06:27 and sets at 20:02 local time in Mercersburg today, giving 13h 35m of daylight.

What is the air quality in Mercersburg?

PM2.5 in Mercersburg is currently 10.1 µg/m³, which counts as Fair on the European air-quality index. Fine for almost everyone; unusually sensitive people may notice it on a long run.

How accurate is the Mercersburg forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Mercersburg best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

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