Routes up
Knockaffertagh routes: 4 ways to the top
East Ridge RouteScrambling · 5km · 400 m ascent · ~1h 40m · from LochranzaGrade 1 Scramble
The East Ridge Route offers a straightforward scramble with stunning views over the surrounding landscape, suitable for those with some scrambling experience
South Face AscentHiking · 6km · 450 m ascent · ~1h 55m · from LochranzaHiking
This route ascends the south face of Knockaffertagh, providing a challenging hike with rewarding views at the summit
Northwest ApproachHiking · 7km · 500 m ascent · ~2h 15m · from CatacolHiking
The Northwest Approach is a longer hike that takes you through varied terrain, perfect for those looking to explore more of the area
West Ridge ClimbScrambling · 4km · from CatacolGrade 2 Scramble
The West Ridge Climb is a more challenging scramble, offering a thrilling experience for seasoned scramblers
Summit today
Is it safe to climb Knockaffertagh today?
Knockaffertagh today (updated 04:01, 18 Oct): up to 8°C at the summit, feeling as cold as -1°C, summit wind 10 mph gusting 24 mph, 0% chance of rain. A good day for the hills.
Knockaffertagh weather today
Overcast, up to 8°C at the summit, feeling as cold as -1°C, summit wind 10 mph gusting 24 mph, 0% chance of rain. Rated Good.
Knockaffertagh weather tomorrow
Monday 19 October: overcast, up to 8°C at the summit, feeling as cold as 1°C, summit wind 26 mph gusting 32 mph, 0% chance of rain. Rated Marginal.
Knockaffertagh weather this weekend
Sunday 18 October: overcast, up to 8°C at the summit, feeling as cold as -1°C, summit wind 10 mph gusting 24 mph, 0% chance of rain. Rated Good.
Knockaffertagh summit forecast, next 7 days
| Day | Verdict | High/low | Feels like | Wind/gust mph | Rain or snow |
|---|
| TodayOvercast | Good | 8°/3° | -1° | 10/24 | 0% |
|---|
| TomorrowOvercast | Marginal | 8°/5° | 1° | 26/32 | 0% |
|---|
| Tue 20Slight rain | Poor | 8°/4° | -2° | 45/56 | 72% |
|---|
| Wed 21Light drizzle | Marginal | 7°/3° | -1° | 26/33 | 65% |
|---|
| Thu 22Light drizzle | Marginal | 7°/2° | -1° | 24/30 | 80% |
|---|
| Fri 23Light drizzle | Marginal | 7°/3° | -1° | 29/36 | 91% |
|---|
| Sat 24Slight rain | Poor | 8°/3° | -2° | 67/84 | 83% |
|---|
Knockaffertagh 14-day weather forecast: days 8 to 14, less certain
| Day | Verdict | High/low | Feels like | Wind/gust mph | Rain or snow |
|---|
| Sun 25Moderate drizzle | Poor | 12°/3° | -1° | 44/55 | 90% |
|---|
| Mon 26Moderate drizzle | Marginal | 12°/5° | 1° | 32/39 | 88% |
|---|
| Tue 27Moderate drizzle | Marginal | 8°/3° | -2° | 34/42 | 76% |
|---|
| Wed 28Light drizzle | Marginal | 9°/5° | 2° | 25/31 | 66% |
|---|
| Thu 29Slight rain showers | Marginal | 10°/6° | 2° | 31/38 | 71% |
|---|
| Fri 30Light drizzle | Good | 9°/2° | 0° | 12/16 | 57% |
|---|
| Sat 31Dense drizzle | Marginal | 10°/2° | -1° | 35/43 | 50% |
|---|
Cloud inversion · 7 days
The chance of standing above a sea of cloud on Knockaffertagh each morning this week, from overnight temperature, humidity and low cloud below the 517m summit.
Dark sky · 7 days
How dark the sky gets over Knockaffertagh each night this week, from cloud cover, moonlight and local light pollution.
Snow · 7 days
No snow is forecast at the summit in the next 7 days.
Sun today
Sunrise 08:11, sunset 18:34
10h 23m of daylight. Golden hour ends 09:00 and starts 17:44. From the summit you see the sun 08:06 to 18:38.
Nearby summits
Close to Knockaffertagh
About Knockaffertagh
Knockaffertagh is 517 m (1,696 ft) high with 91 m of prominence. It is in Nephin Beg Range, Ireland. OS grid reference G047048. It is the 13th highest of the 30 summits Peakify lists in Nephin Beg Range. The nearest summits are Birreencorragh (2.2 km), Birreencorragh West Top (3.2 km) and Tristia (5.3 km).
How high is Knockaffertagh?
Knockaffertagh is 517 metres high with 91 metres of prominence.
Where is Knockaffertagh?
Knockaffertagh is listed in Nephin Beg Range, Ireland.
Are there routes for Knockaffertagh?
Peakify lists 4 routes for Knockaffertagh, including available distance, ascent, start point, and difficulty details.
Is it safe to climb Knockaffertagh today?
Peakify rates each day on the summit Good, Marginal or Poor from the forecast summit wind, gusts, chance of rain and wind chill. Wind of 40 mph or gusts of 65 mph make it Poor; wind of 25 mph, gusts of 45 mph, a 60% chance of rain or a feels-like temperature of -8°C or below make it Marginal. Today's and tomorrow's ratings are at the top of this page. The rating covers the weather only: also check your route, daylight, kit and experience, and in winter whether you need an ice axe and crampons.
What is the weather on Knockaffertagh tomorrow?
Monday 19 October: overcast, up to 8°C at the summit, feeling as cold as 1°C, summit wind 26 mph gusting 32 mph, 0% chance of rain. Rated Marginal.
What is the weather on Knockaffertagh this weekend?
Sunday 18 October: overcast, up to 8°C at the summit, feeling as cold as -1°C, summit wind 10 mph gusting 24 mph, 0% chance of rain. Rated Good.
What weather information is shown for Knockaffertagh?
The page includes cached mountain forecast context, snow outlook, dark-sky signals, cloud-inversion information, sunrise, sunset, and summit planning details where available.
Written and kept up to date by the Peakify team. The forecast refreshes every hour; how our forecast works.
