Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 27

Waning Gibbous 98%

18:34

09:02

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:33, Set: 19:15, Transit: 13:24. Moon - Rise: 18:34, Set: 09:02. Civil Dark: 20:04 - 06:44. Nautical Dark: 21:03 - 05:45. Astro Dark: 22:08 - 04:40

Total Clouds (% Sky Obscured)

97
94
97
93
94
93
90
90
85
96
96
94
95
88
95
96
98
93
96
98
96
94
93
95

Low Clouds (% Sky Obscured)

78
81
78
81
72
66
78
74
71
73
78
81
80
79
79
81
77
83
88
96
87
87
85
86

Medium Clouds (% Sky Obscured)

55
81
81
34
46
64
61
83
52
51
55
53
43
37
28
32
90
92
95
78
54
61
63
57

High Clouds (% Sky Obscured)

68
23
12
65
62
55
44
41
42
39
63
41
36
14
3
8
72
75
65
60
55
61
38
9

ISS Passover

Visibility (miles)

3
3
3
9
9
4
3
3
3
3
3
1
0
0
2
3
3
4
6
4
3
3
3
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

41
60
54
16
5
13
14
18
19
27
34
39
34
21
16
13
8
19
21
31
32
41
47
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3

Wind Speed/Direction (mph)

14
15
14
14
14
14
15
17
17
18
22
24
25
25
24
21
19
17
17
16
16
17
18
18

Chance of Frost

Temperature (°C)

5
5
5
6
6
6
6
6
7
7
7
7
7
7
7
6
6
6
6
6
6
7
6
6

Feels Like (°C)

-1
-1
0
0
1
1
1
1
1
0
-1
-2
-2
-2
-2
-1
-0
-0
-1
-0
0
0
-1
-1

Dew Point (°C)

3
4
3
3
4
5
5
5
6
6
6
6
6
6
6
6
5
4
5
5
6
6
6
6

Relative Humidity (%)

86
90
86
85
86
91
93
93
93
94
96
96
96
96
96
94
91
88
88
93
96
96
96
96

Pressure (mb)

991
991
991
991
991
991
991
991
991
991
991
991
991
991
991
991
991
992
992
992
992
992
992
993

Ozone (du)

367
368
368
369
368
368
368
367
367
367
367
366
366
366
366
366
366
366
364
364
364
364
365
365

Monday 28

Waning Gibbous 96%

18:21

10:58

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:36, Set: 19:12, Transit: 13:24. Moon - Rise: 18:21, Set: 10:58. Civil Dark: 20:00 - 06:47. Nautical Dark: 20:59 - 05:49. Astro Dark: 22:04 - 04:44

Total Clouds (% Sky Obscured)

97
95
100
100
98
99
95
100
98
78
88
100
92
89
85
93
84
71
90
89
89
90
67
99

Low Clouds (% Sky Obscured)

95
91
99
100
96
99
89
100
95
71
76
99
84
78
65
71
63
55
54
77
79
88
66
61

Medium Clouds (% Sky Obscured)

73
66
57
52
31
61
47
30
45
53
28
41
16
26
24
28
26
17
32
33
20
26
3
5

High Clouds (% Sky Obscured)

13
15
28
49
60
70
70
70
59
55
45
18
3
6
10
9
6
6
3
1
0
0
0
29

ISS Passover

Visibility (miles)

3
3
3
3
3
4
9
9
9
9
9
9
9
9
9
4
4
4
3
4
9
9
9
9

Fog (%)

0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
7

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

30
16
18
12
3
2
2
12
3
1
10
10
10
1
3
10
3
12
15
25
16
3
3
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
21
20
20
21
21
21
20
18
18
17
17
16
17
17
17
16
15
15
14
12
12
12
13

Chance of Frost

Temperature (°C)

7
7
7
7
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Feels Like (°C)

-1
-1
-1
-1
-1
-1
-1
-0
0
0
1
1
2
2
1
1
1
1
1
1
2
2
2
2

Dew Point (°C)

6
6
6
6
5
5
4
4
4
4
5
5
5
6
6
6
6
6
6
5
5
4
4
4

Relative Humidity (%)

94
94
96
96
93
90
87
87
84
84
87
87
88
90
91
94
94
94
93
91
87
82
81
82

Pressure (mb)

993
993
994
995
995
996
997
998
998
999
999
1000
1000
1001
1001
1002
1003
1003
1004
1004
1004
1005
1005
1004

Ozone (du)

365
365
365
364
363
363
363
362
360
360
360
361
360
361
361
362
362
361
360
361
361
360
360
360

Tuesday 29

Waning Gibbous 93%

18:01

13:07

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:39, Set: 19:08, Transit: 13:24. Moon - Rise: 18:01, Set: 13:07. Civil Dark: 19:57 - 06:50. Nautical Dark: 20:55 - 05:52. Astro Dark: 21:59 - 04:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
76
81
54
53
46
62
80
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

62
55
51
50
46
54
100
100
100
84
72
73
54
41
34
62
80
84
49
64
58
67
87
100

Medium Clouds (% Sky Obscured)

45
35
100
100
100
100
100
24
15
100
76
81
54
53
7
43
0
0
51
48
42
79
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
92
100
100
100
100
60
50
50
45
16
50
34
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
7
1
3
5
3
3
2
1
3
3
9
9
9
9
9
9
8
1
1

Fog (%)

10
20
45
78
80
54
27
9
6
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Light Rain
Moderate Rain
Light Rain

Precipitation Probability (%)

0
0
0
7
41
95
95
95
95
95
95
95
76
48
31
28
26
28
32
25
32
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
1
0.9
1.4
2.5
0.7
0.6
0.6
0.3
0
0
0
0
0
0
0
0
1.2
2.9
2.3

Wind Speed/Direction (mph)

13
13
14
14
15
16
17
17
18
18
17
16
13
10
8
8
7
7
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

6
6
6
7
7
7
7
7
7
7
7
8
8
9
9
9
9
9
9
9
9
9
9
9

Feels Like (°C)

2
1
1
1
1
1
1
1
1
1
2
2
4
5
6
6
6
6
6
6
6
7
7
7

Dew Point (°C)

4
4
4
5
5
5
6
6
6
6
6
7
8
8
8
8
8
8
8
8
8
8
9
9

Relative Humidity (%)

82
84
84
87
87
85
94
91
91
91
93
95
95
95
93
91
90
90
90
90
90
91
96
98

Pressure (mb)

1004
1004
1004
1003
1003
1002
1002
1001
1000
999
998
998
997
996
996
997
997
997
997
997
997
997
997
997

Ozone (du)

356
355
354
353
355
355
358
362
362
358
357
358
360
366
368
361
357
350
346
343
342
341
338
338

Wednesday 30

Waning Gibbous 85%

16:58

16:11

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:42, Set: 19:04, Transit: 13:23. Moon - Rise: 16:58, Set: 16:11. Civil Dark: 19:53 - 06:53. Nautical Dark: 20:51 - 05:55. Astro Dark: 21:55 - 04:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
92
44
46
51
73
63

Low Clouds (% Sky Obscured)

95
90
85
76
68
57
52
46
41
57
72
88
92
96
99
87
74
64
64
44
46
51
68
59

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
99
98
97
97
99
100
100
100
100
77
50
30
0
0
0
2
5
6

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
94
92
80
80
77
9
15
76
47
10
0
0
0
0

ISS Passover

Visibility (miles)

1
1
3
3
3
5
4
3
1
1
3
2
2
3
4
2
4
4
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
90
83
95
95
95
87
91
93
91
94
78
67
45
35
26
0
2
2
0

Precipitation Amount (mm)

2.1
1.9
1.3
1
0.8
0.6
0.5
0.8
0.9
0.8
0.5
0.6
0.6
0.6
0.7
0.4
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
6
7
8
9
10
12
13
15
15
16
16
16
14
13
12
11
9
10
10
10
10
10

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
8
9
8

Feels Like (°C)

7
7
6
6
5
6
5
5
5
5
4
3
3
2
3
4
4
4
5
5
5
6
5
5

Dew Point (°C)

9
9
9
9
9
8
9
9
9
9
8
8
8
8
8
8
8
8
8
7
7
7
6
7

Relative Humidity (%)

98
98
96
96
96
93
96
95
95
96
95
95
95
95
95
95
93
93
91
87
90
88
85
88

Pressure (mb)

997
996
996
996
996
995
994
994
993
992
990
989
988
987
987
986
986
986
985
985
984
984
983
982

Ozone (du)

336
335
334
334
333
332
331
333
330
328
328
327
327
326
327
330
331
334
340
345
353
361
362
362

Thursday 1

Waning Gibbous 76%

No Rise

No Set

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:45, Set: 19:01, Transit: 13:23. Moon - Rise: No Rise, Set: No Set. Civil Dark: 19:49 - 06:56. Nautical Dark: 20:47 - 05:58. Astro Dark: 21:50 - 04:56

Total Clouds (% Sky Obscured)

85
93
100
100
100
100
99
98
96
97
99
100
99
100
99
98
97
95
97
98
100
100
100
100

Low Clouds (% Sky Obscured)

72
69
46
71
74
47
79
82
86
87
88
89
88
94
89
80
80
80
80
80
79
86
92
99

Medium Clouds (% Sky Obscured)

25
55
100
100
100
100
96
90
69
69
66
100
92
90
84
48
45
41
59
78
96
92
87
81

High Clouds (% Sky Obscured)

14
45
100
100
100
100
98
95
91
51
95
100
80
100
97
81
78
74
69
66
63
60
58
58

ISS Passover

Visibility (miles)

9
9
5
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
4
3
1
1
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

24
46
65
64
58
36
66
63
72
75
85
95
90
85
85
64
57
49
66
79
88
79
70
62

Precipitation Amount (mm)

0
0
0.3
0.3
0.3
0
0.4
0.3
0.4
0.4
0.5
0.4
0.5
0.5
0.4
0.3
0.2
0
0.3
0.6
0.7
0.5
0.4
0.2

Wind Speed/Direction (mph)

10
12
13
13
16
21
23
22
23
23
24
23
24
22
20
16
15
14
13
13
15
18
18
19

Chance of Frost

Temperature (°C)

8
9
8
9
9
9
10
10
10
10
10
11
11
11
11
11
10
10
10
10
10
10
10
9

Feels Like (°C)

4
4
3
3
2
0
0
1
1
2
2
2
3
3
3
5
5
4
4
4
4
4
4
3

Dew Point (°C)

6
6
7
6
5
5
5
6
6
7
7
7
7
7
7
7
7
7
8
8
9
9
9
8

Relative Humidity (%)

87
82
91
85
74
76
74
77
74
77
80
80
78
76
77
77
81
82
87
88
91
93
93
93

Pressure (mb)

981
980
980
979
978
976
975
975
974
973
973
972
971
971
971
971
974
975
975
976
977
978
979
980

Ozone (du)

360
358
355
355
358
361
359
360
360
362
359
357
363
365
365
366
367
368
370
370
370
370
369
368

Friday 2

Waning Gibbous 65%

No Rise

No Set

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:48, Set: 18:57, Transit: 13:23. Moon - Rise: No Rise, Set: No Set. Civil Dark: 19:46 - 06:59. Nautical Dark: 20:44 - 06:02. Astro Dark: 21:46 - 04:59

Total Clouds (% Sky Obscured)

100
100
100
98
95
92
95
97
100
100
100
100
98
96
93
94
94
95
94
93
93
95
95
96

Low Clouds (% Sky Obscured)

100
100
100
98
95
92
86
80
74
78
83
88
84
79
78
79
81
82
80
78
76
79
81
84

Medium Clouds (% Sky Obscured)

81
81
79
73
64
50
51
52
57
71
85
99
92
85
78
84
91
95
94
93
93
95
95
94

High Clouds (% Sky Obscured)

43
30
27
26
27
26
38
51
55
50
35
25
19
18
21
23
32
33
45
55
65
65
70
75

ISS Passover

Visibility (miles)

2
4
6
8
9
9
9
8
7
5
7
8
9
9
9
9
8
7
7
5
3
2
2
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
Very Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

61
59
55
55
48
33
54
53
42
46
53
60
50
46
39
37
37
44
56
59
71
64
66
76

Precipitation Amount (mm)

0.2
0.2
0
0.2
0
0
0.3
0
0
0
0
0.3
0
0
0
0
0
0
0.2
0.2
0.5
0.3
0.3
0.4

Wind Speed/Direction (mph)

22
22
22
22
20
18
17
17
17
17
17
17
17
16
16
16
16
16
17
15
12
10
9
8

Chance of Frost

Temperature (°C)

9
9
9
9
8
8
8
8
8
8
8
8
8
8
8
7
7
7
7
7
7
7
7
7

Feels Like (°C)

3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
1
1
2
2
2
2
2
3
2

Dew Point (°C)

8
8
7
7
6
6
6
6
6
6
5
5
4
4
4
4
4
4
4
4
5
5
6
6

Relative Humidity (%)

95
91
90
88
87
85
85
85
87
88
84
79
75
75
77
78
79
79
79
82
87
90
90
91

Pressure (mb)

981
983
984
986
987
988
990
991
992
993
993
994
995
996
997
998
999
1000
1001
1002
1003
1003
1004
1004

Ozone (du)

366
364
361
358
356
353
351
348
345
342
335
328
321
323
324
326
329
333
336
336
335
335
337
339

Saturday 3

Third Quarter 53%

No Rise

No Set

Sun - Rise: 07:51, Set: 18:53, Transit: 13:22. Moon - Rise: No Rise, Set: No Set. Civil Dark: 19:42 - 07:02. Nautical Dark: 20:40 - 06:05. Astro Dark: 21:42 - 05:03

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Búðir, Snæfellsbær, Republic of Iceland (64.95,-23.49)

Generated: 27/09/26 03:34:38. Forecast: 27/09/26 to 03/10/26. Timezone: UTC+0.00