Summit today
Is it safe to climb Knockboy today?
Knockboy today (updated 03:11, 18 Oct): up to 8°C at the summit, feeling as cold as -1°C, summit wind 8 mph gusting 12 mph, 0% chance of rain. A good day for the hills.
Knockboy weather today
Mainly clear, up to 8°C at the summit, feeling as cold as -1°C, summit wind 8 mph gusting 12 mph, 0% chance of rain. Rated Good.
Knockboy weather tomorrow
Monday 19 October: light drizzle, up to 7°C at the summit, feeling as cold as -1°C, summit wind 17 mph gusting 21 mph, 24% chance of rain. Rated Good.
Knockboy weather this weekend
Sunday 18 October: mainly clear, up to 8°C at the summit, feeling as cold as -1°C, summit wind 8 mph gusting 12 mph, 0% chance of rain. Rated Good.
Knockboy summit forecast, next 7 days
| Day | Verdict | High/low | Feels like | Wind/gust mph | Rain or snow |
|---|
| TodayMainly clear | Good | 8°/2° | -1° | 8/12 | 0% |
|---|
| TomorrowLight drizzle | Good | 7°/2° | -1° | 17/21 | 24% |
|---|
| Tue 20Moderate rain | Poor | 8°/4° | -1° | 41/51 | 86% |
|---|
| Wed 21Light drizzle | Marginal | 6°/3° | -2° | 39/49 | 76% |
|---|
| Thu 22Light drizzle | Marginal | 7°/2° | -1° | 31/39 | 82% |
|---|
| Fri 23Light drizzle | Marginal | 5°/2° | -3° | 34/43 | 78% |
|---|
| Sat 24Thunderstorm | Poor | 8°/4° | 0° | 60/75 | 79% |
|---|
Knockboy 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°/4° | 1° | 51/64 | 82% |
|---|
| Mon 26Moderate drizzle | Poor | 11°/5° | 2° | 55+/75+ | 75% |
|---|
| Tue 27Dense drizzle | Poor | 8°/3° | -1° | 42/53 | 71% |
|---|
| Wed 28Overcast | Good | 8°/3° | 1° | 23/29 | 55% |
|---|
| Thu 29Slight rain showers | Marginal | 9°/5° | 3° | 38/47 | 58% |
|---|
| Fri 30Slight rain showers | Good | 9°/0° | -1° | 19/23 | 56% |
|---|
| Sat 31Slight rain showers | Poor | 10°/0° | -3° | 41/52 | 45% |
|---|
Routes up
Routes coming soon
Cloud inversion · 7 days
The chance of standing above a sea of cloud on Knockboy each morning this week, from overnight temperature, humidity and low cloud below the 705m summit.
Dark sky · 7 days
How dark the sky gets over Knockboy 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 08:07, sunset 18:38
10h 31m of daylight. Golden hour ends 08:54 and starts 17:50. From the summit you see the sun 08:02 to 18:42.
Nearby summits
Close to Knockboy
About Knockboy
Knockboy (705 m) is the highest summit in County Cork. It stands in the Shehy Mountains on the Cork and Kerry border, a rough area of rocky knolls, small lakes and heather between Kenmare and Bantry. Knockboy North Top (651 m) lies 0.6 km north, and Caoinkeen (693 m) is 2.6 km north. The nearest higher hill is Mangerton Mountain (838 m), 18.9 km north near Killarney.
The terrain around the summit is broken and knobbly, with outcrops of sandstone and wet hollows between them. Paths are scarce, and you will pick your own line for much of the way.
With 609 m of prominence, the summit gives a wide view over the hills of west Cork and south Kerry towards Bantry Bay.
Knockboy is 705 m (2,312 ft) high with 609 m of prominence. It is in Shehy Mountains, Ireland. OS grid reference W004620. It is the 4th highest of the 28 summits Peakify lists in Shehy Mountains. The nearest summits are Knockboy North Top (0.6 km), Caoinkeen (2.6 km) and Caoinkeen SE Top (2.9 km).
Is Knockboy the highest mountain in County Cork?
Yes. Knockboy is the county top of Cork.
What hill lists is Knockboy on?
It is a Hewitt, a Marilyn, an Arderin and a Vandeleur-Lynam, as well as a county top.
How hard is Knockboy?
The ground is rough and rocky with few paths, so route-finding takes care, especially in cloud.
How high is Knockboy?
Knockboy is 705 metres high with 609 metres of prominence.
Where is Knockboy?
Knockboy is listed in Shehy Mountains, Ireland.
Are there routes for Knockboy?
Route data is not available for this mountain yet, but the page still shows summit, weather, and location context.
Is it safe to climb Knockboy 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 Knockboy tomorrow?
Monday 19 October: light drizzle, up to 7°C at the summit, feeling as cold as -1°C, summit wind 17 mph gusting 21 mph, 24% chance of rain. Rated Good.
What is the weather on Knockboy this weekend?
Sunday 18 October: mainly clear, up to 8°C at the summit, feeling as cold as -1°C, summit wind 8 mph gusting 12 mph, 0% chance of rain. Rated Good.
What weather information is shown for Knockboy?
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.