Cairnbrook, PA Weather Forecast for 5-Days

Updated: Mon May 18th 2026 6:00 AM EDT

Ask About Weather

Test our newly developed Weather Chatbot. It provides up to 10 days of forecast information!
Cairnbrook, PA Weather – 5-18 – Scattered Showers
90° / 61°
Scattered Showers
Daytime highs will reach 90°F with lows dropping to 61°F in Cairnbrook, where showers likely at times. The chance of rain is 92% with an estimated 0.13in. Winds will be light at 9mph and gusts of 15.7mph at 7 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 97% at 8 PM and 37% being its lowest at 5 PM. Barometric pressure is its highest of 30.2inHg at 10 PM, a lowest point of 30.07inHg at 5 PM with an avg 30.16inHg.
Cairnbrook, PA Weather – 5-19 – Scattered Showers
84° / 61°

Weather Tomorrow

Scattered Showers
Cairnbrook could see passing showers with daytime highs of 84°F and nighttime lows near 61°F. Rainfall predicted to have a 62% chance with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 14.2mph at 1 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 91% at 12 AM and 42% being its lowest at 3 PM. Barometric pressure is its highest of 30.18inHg at 7 AM, a lowest point of 30.04inHg at 6 PM with an avg 30.12inHg.
Cairnbrook, PA Weather – 5-20 – Scattered Showers
67° / 48°
Scattered Showers
Highs will reach 67°F with lows near 48°F in Cairnbrook, where scattered showers are. The chance of rain is 87% with an estimated 0.03in. Wind will be moderate, blowing around 13mph on average and gusts of 16.9mph at 5 AM. High humidity with average of 88% is anticipated, the maximum being 95% at 2 PM and 78% being its lowest at 5 AM. Barometric pressure is its highest of 30.21inHg at 11 PM, a lowest point of 30.04inHg at 3 AM with an avg 30.08inHg.
Cairnbrook, PA Weather – 5-21 – Sunny
66° / 40°
Sunny
Daytime highs will reach 66°F with lows dropping to 40°F in Cairnbrook, where bright and sunny conditions. Wind will be moderate, blowing around 11mph on average and gusts of 16.8mph at 8 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 96% at 1 AM and 38% being its lowest at 2 PM. Barometric pressure is its highest of 30.28inHg at 7 AM, a lowest point of 30.16inHg at 6 PM with an avg 30.23inHg.
Cairnbrook, PA Weather – 5-22 – Moderate Rain
52° / 46°
Moderate Rain
In Cairnbrook, periods of rain are likely with highs near 52°F and lows around 46°F. The chance of rain is 81% with an estimated 0.42in. Wind will be moderate, blowing around 16mph on average and gusts of 22.3mph at 1 PM. High humidity with average of 87% is anticipated, the maximum being 99% at 5 AM and 70% being its lowest at 3 AM. Barometric pressure is its highest of 30.27inHg at 12 AM, a lowest point of 29.95inHg at 11 PM with an avg 30.12inHg.
Cairnbrook, PA Weather – 5-23 – Scattered Showers
60° / 50°
Scattered Showers
Cairnbrook is set for scattered showers with temperatures peaking at 60°F and dipping to 50°F. Rainfall predicted to have a 63% chance with an estimated 0.01in. Wind will be moderate, blowing around 13mph on average and gusts of 20.3mph at 2 AM. High humidity with average of 87% is anticipated, the maximum being 98% at 12 AM and 70% being its lowest at 11 AM. Barometric pressure is its highest of 30.13inHg at 11 PM, a lowest point of 29.92inHg at 2 AM with an avg 30.03inHg.

Currently

Sunny 67°F
30.19 inHg.
Barometer
66%
Humidity
SSW 5 mph
Wind
Sunny

5 Day Forecast Nearby

More Local Information

Bookmark and Share

Get the LocalConditions.com App on Google Play
Sign up for a membership to go Ad free

Cairnbrook weather forecast and traffic updates by locals

Write your own Cairnbrook, PA report, forecast, or traffic update:


Will not be posted, shared or used for marketing!

Please note by clicking on "Post" you acknowledge that you have read our Privacy Policy and Terms of Service and the Cairnbrook, PA report and/or forecast you are posting is in compliance with such terms. If you are under 18, do not submit this form. Be respectful! Inappropriate content will be removed by a moderator.