Home / Local Weather & Traffic / Pennsylvania / Emmaus / Weather Forecast

Emmaus, PA Weather Forecast | 5 Day

Updated: Mon Aug 31st 2026 12:45 PM EDT

Ask About Weather

Test our newly developed Weather Chatbot. It provides up to 10 days of forecast information!

Light Drizzle

Mon 8-31-26

Light Drizzle with a high of 81°F and a low of 66°F. It will likey rain, having a 78% chance of a downpour with an estimated 0.1in. Winds will be light at 8mph and gusts of 14.1mph at 4 PM. High humidity with average of 82% is anticipated, the maximum being 86% at 6 PM and 59% being its lowest at 2 PM. Barometric pressure is its highest of 30.08^inHg at 2 PM, a lowest point of 30.06^inHg at 6 PM with an avg 30.07^inHg.

HI: 81°F
LO: 66°F

Rainfall: 78% | est. 0.1in
Snowfall: 0%

Wind
7.2 mph
Humidity
82% avg.

UV Index
7.2
Air Quality
Good

Sunrise
06:28 AM
Sunset
07:36 PM

Moonrise
08:58 PM
Moonset
10:03 AM
Moon Phase
Waning Gibbous

Overcast

Weather Tomorrow, Tue 9-1-26

Overcast with a high of 87°F and a low of 67°F. Rainfall expected to have a 71% chance with an estimated 0.09in. Winds will be light at 9mph and gusts of 13.9mph at 4 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 92% at 11 PM and 55% being its lowest at 4 PM. Barometric pressure is its highest of 30.05^inHg at 12 AM, a lowest point of 29.95^inHg at 6 PM with an avg 30.01^inHg.

HI: 87°F
LO: 67°F

Rainfall: 71% | est. 0.09in
Snowfall: 0%

Wind
8.3 mph
Humidity
77% avg.

UV Index
7
Air Quality
Good

Sunrise
06:29 AM
Sunset
07:34 PM

Moonrise
09:24 PM
Moonset
11:09 AM
Moon Phase
Waning Gibbous

Light Rain Shower

Wed 9-2-26

Light Rain Shower with a high of 91°F and a low of 69°F. It will likey rain, having a 84% chance of a downpour with an estimated 0.35in. Wind will be moderate, blowing around 13mph on average and gusts of 30.6mph at 9 PM. High humidity with average of 83% is anticipated, the maximum being 98% at 4 AM and 50% being its lowest at 4 PM. Barometric pressure is its highest of 30.07^inHg at 9 PM, a lowest point of 29.89^inHg at 5 PM with an avg 29.99^inHg.

HI: 91°F
LO: 69°F

Rainfall: 84% | est. 0.35in
Snowfall: 0%

Wind
13 mph
Humidity
83% avg.

UV Index
3.6
Air Quality
Good

Sunrise
06:30 AM
Sunset
07:33 PM

Moonrise
09:56 PM
Moonset
12:17 PM
Moon Phase
Last Quarter

Intermittent Thunderstorms In The Area

Thu 9-3-26

Intermittent Thunderstorms In The Area with a high of 87°F and a low of 68°F. It will likey rain, having a 83% chance of a downpour with an estimated 0.18in. Wind will be moderate, blowing around 11mph on average and gusts of 22.8mph at 7 PM. High humidity with average of 85% is anticipated, the maximum being 99% at 2 AM and 57% being its lowest at 4 PM. Barometric pressure is its highest of 29.98^inHg at 12 AM, a lowest point of 29.84^inHg at 5 PM with an avg 29.91^inHg.

HI: 87°F
LO: 68°F

Rainfall: 83% | est. 0.18in
Snowfall: 0%

Wind
10.1 mph
Humidity
85% avg.

UV Index
6.3
Air Quality
Good

Sunrise
06:31 AM
Sunset
07:31 PM

Moonrise
10:35 PM
Moonset
01:27 PM
Moon Phase
Last Quarter

Overcast

Fri 9-4-26

Overcast with a high of 84°F and a low of 65°F. There might be light rainfall having a 17% chance with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 20.4mph at 6 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 88% at 2 AM and 47% being its lowest at 2 PM. Barometric pressure is its highest of 29.95^inHg at 10 AM, a lowest point of 29.84^inHg at 5 PM with an avg 29.89^inHg.

HI: 84°F
LO: 65°F

Rainfall: 17% | est. 0in
Snowfall: 0%

Wind
12.3 mph
Humidity
68% avg.

UV Index
7
Air Quality
Good

Sunrise
06:32 AM
Sunset
07:29 PM

Moonrise
11:26 PM
Moonset
02:37 PM
Moon Phase
Last Quarter

Sunny

Sat 9-5-26

Sunny with a high of 74°F and a low of 60°F. There's a very small chance of rainfall, only about 4%. Wind will be moderate, blowing around 13mph on average and gusts of 19.3mph at 11 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 81% at 11 PM and 45% being its lowest at 2 PM. Barometric pressure is its highest of 29.94^inHg at 11 PM, a lowest point of 29.88^inHg at 5 AM with an avg 29.9^inHg.

HI: 74°F
LO: 60°F

Rainfall: 4%
Snowfall: 0%

Wind
12.3 mph
Humidity
65% avg.

UV Index
6
Air Quality
TBA

Sunrise
06:33 AM
Sunset
07:28 PM

Moonrise
Does not rise today
Moonset
03:41 PM
Moon Phase
Waning Crescent

Emmaus, PA Weather Forecast - 10 Day Detailed

This 5-Day weather forecast is relevant for ZIP codes 18049, 18098, and 18099, accurately covering areas of Emmaus, PA.

Currently

	77°F	30.1 inHg. Barometer 70% Humidity SSW 6.5 mph Wind
Light Drizzle

Full Report

National Outlook

Heavy Rain and Thunderstorms to Impact Great Basin and Gulf Coast 08-31 to 09-02

Mon Aug 31st 2026, 7:09am PDT

Read

Extreme Heat & Weather Changes Ahead | 09-03 to 09-07

Extended Forecast
Mon Aug 31st 2026, 7:12am PDT

Read

5 Day Forecast Nearby

More Local Information

Emmaus, PA Weather

Emmaus, PA 10-Day Forecast

Emmaus, PA Hourly Forecast

Emmaus, PA Weather Alerts

Emmaus, PA Radar Maps

Emmaus, PA Traffic

Emmaus, PA Past Weather

Emmaus, PA Daily Charts

Bookmark and Share

Feels Like:
Dew Point:
Rain Chance:
Rain Amount:
Snow Chance:
Snow Amount:
Humidity:
Barometer:
Wind:
Wind Gust:
Visibility:
UV Index: