Kiruna
67.856° N
20.225° E · 579 M
4
/100
PEAK
PEAK
Cloud will spoil it. Not a night for the telescope.
NO USABLE WINDOW · NO ASTRO DARK · MOON 0%
Transparency
0.38
Seeing
1.00
Cloud
54%
Moon
0%
At this latitude the sun never drops 18° below the horizon tonight, so
astronomical darkness never arrives. Scores reflect the deepest twilight available.
Clouded out tonight
Hour by hour, local to Kiruna. Colour encodes the score and nothing else; every other measurement is luminance.
Sky state
Lighter = daylight and twilight ·
unshaded = astronomical dark
Score
23
00
01
02
03
Low cloud
76%
57%
32%
6%
1%
Mid cloud
4%
1%
0%
0%
0%
High cloud
32%
32%
37%
72%
90%
Transparency
0.37
0.34
0.32
0.38
0.38
Seeing
1.00
1.00
1.00
1.00
1.00
Moon clear
down
down
down
down
down
Inspect
Cloud tracks show clear sky — a longer bar is better. The figure inside each track is the raw measurement.
Why this hour scored what it did
23
Clouded out · 0/100
Starting from
100
Cloud
−81
Transparency
−5
Seeing
−0
Moonlight
−0
Darkness
−14
Score
0
CLOUD 83%
LOW 76%
MID 4%
HIGH 32%
SUN -5.1°
MOON -4.4° / 0%
WIND 0
TEMP 6°
00
Clouded out · 2/100
Starting from
100
Cloud
−65
Transparency
−9
Seeing
−0
Moonlight
−0
Darkness
−24
Score
2
CLOUD 69%
LOW 57%
MID 1%
HIGH 32%
SUN -6.9°
MOON -6.8° / 0%
WIND 1
TEMP 6°
01
Clouded out · 4/100
Starting from
100
Cloud
−46
Transparency
−15
Seeing
−0
Moonlight
−0
Darkness
−36
Score
4
CLOUD 54%
LOW 32%
MID 0%
HIGH 37%
SUN -7.2°
MOON -7.7° / 0%
WIND 2
TEMP 5°
02
Clouded out · 1/100
Starting from
100
Cloud
−43
Transparency
−14
Seeing
−0
Moonlight
−0
Darkness
−42
Score
1
CLOUD 74%
LOW 6%
MID 0%
HIGH 72%
SUN -6.1°
MOON -7.3° / 0%
WIND 2
TEMP 4°
03
Clouded out · 0/100
Starting from
100
Cloud
−50
Transparency
−12
Seeing
−0
Moonlight
−0
Darkness
−37
Score
0
CLOUD 91%
LOW 1%
MID 0%
HIGH 90%
SUN -3.7°
MOON -5.6° / 0%
WIND 2
TEMP 4°
Excellent 75+
Good 55+
Fair 35+
Poor 15+
Not worth it
Seeing is estimated from surface wind — see
how we score.
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The next week of nights
Tonight · 12 Aug
4
Clouded out
MOON 0%
Tomorrow · 13 Aug
0
Clouded out
MOON 2%
Friday · 14 Aug
0
Clouded out
MOON 6%
Saturday · 15 Aug
0
Clouded out
MOON 13%
Sunday · 16 Aug
0
Clouded out
MOON 21%
Monday · 17 Aug
0
Clouded out
MOON 30%
Tuesday · 18 Aug
0
Clouded out
MOON 39%
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About this forecast
Conditions for Kiruna, Sweden are computed from the MET Norway forecast model for these exact coordinates, combined with sun and moon positions we calculate directly. The score weighs cloud cover by layer, atmospheric transparency, estimated seeing, moonlight and how dark the sky actually gets. Read the full method →