Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 31

Waxing Gibbous 99%

18:26

06:36

02 Bad
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 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:40, Set: 20:15, Transit: 13:28. Moon - Rise: 18:26, Set: 06:36. Civil Dark: 21:07 - 05:49. Nautical Dark: 22:15 - 04:41. Astro Dark: 23:48 - 03:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
79
93
96
82
69
46
52
37
33
19
34
62
70
85
72
63
70
88
68

Low Clouds (% Sky Obscured)

100
99
97
93
83
71
79
92
50
63
29
51
21
19
15
32
47
39
59
67
54
26
74
58

Medium Clouds (% Sky Obscured)

100
100
100
100
100
60
61
76
70
27
11
1
10
6
1
12
19
48
68
32
26
25
55
25

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

0
0
0
0
0
0
3
1
5
4
9
9
9
9
9
6
7
9
9
9
9
9
9
9

Fog (%)

0
0
3
1
1
0
3
15
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

89
95
95
95
89
56
35
81
60
23
22
28
17
21
16
38
29
39
34
45
40
26
38
17

Precipitation Amount (mm)

1
1.2
1.2
0.8
0.5
0.2
0
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
11
8
8
9
10
11
18
23
24
25
25
23
23
22
21
20
20
20
20
21
21
22

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-1
-0
0
1
1
1
1
1
1
1
0
-0
-0
-1
-1
-1
-1
-1

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-2
-1
-1
-1
-2
-2
-2
-1
-3
-4
-4
-4
-4
-4
-3
-4
-5
-4
-4
-6
-4
-6

Relative Humidity (%)

98
98
96
100
100
98
94
89
88
88
77
73
69
73
71
70
81
78
71
75
78
68
77
67

Pressure (mb)

997
995
994
993
994
995
997
998
1000
1001
1002
1003
1004
1004
1005
1005
1006
1006
1006
1007
1007
1007
1008
1009

Ozone (du)

449
450
455
465
472
477
485
488
486
491
494
491
489
488
490
493
498
499
497
490
480
470
463
462

Wednesday 1

Waxing Gibbous 100%

20:06

06:25

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

Sun - Rise: 06:37, Set: 20:18, Transit: 13:27. Moon - Rise: 20:06, Set: 06:25. Civil Dark: 21:10 - 05:45. Nautical Dark: 22:19 - 04:36. Astro Dark: 23:56 - 02:59

Total Clouds (% Sky Obscured)

72
84
67
52
27
45
47
64
47
46
41
45
87
98
83
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

42
80
57
44
6
24
20
17
21
17
7
2
2
6
14
16
14
21
22
2
2
3
2
2

Medium Clouds (% Sky Obscured)

20
23
17
23
27
45
47
64
47
46
41
45
87
98
83
84
85
96
100
100
98
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
10
0
2
9
33
1
1
19
25
4
5
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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 (%)

24
21
21
8
3
6
4
2
1
2
3
1
0
0
0
0
1
1
0
0
0
0
1
1

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)

22
20
20
18
13
9
7
7
9
9
9
9
9
9
9
8
8
7
6
6
6
5
6
10

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-1
0
0
1
2
2
3
3
3
3
3
2
2
1
1
1
1
1

Feels Like (°C)

-10
-10
-10
-10
-8
-6
-4
-2
-3
-2
-1
-1
-1
-1
-2
-0
-2
-3
-3
-3
-3
-4
-3
-3

Dew Point (°C)

-7
-6
-7
-6
-7
-6
-5
-3
-3
-2
-2
-1
-1
-1
-0
0
0
-1
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

64
71
66
68
63
66
70
78
78
80
78
77
77
77
80
82
83
81
83
84
84
86
84
86

Pressure (mb)

1010
1011
1012
1013
1014
1016
1017
1018
1018
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016
1016
1015
1014
1013
1012

Ozone (du)

460
455
451
447
444
443
445
451
453
452
452
455
455
453
455
458
464
464
463
463
464
465
467
469

Thursday 2

Full Moon 99%

21:49

06:13

02 Bad
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

Sun - Rise: 06:33, Set: 20:21, Transit: 13:27. Moon - Rise: 21:49, Set: 06:13. Civil Dark: 21:14 - 05:41. Nautical Dark: 22:23 - 04:31. Astro Dark: 00:05 - 02:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
95
100
100
100
99
99

Low Clouds (% Sky Obscured)

2
0
1
3
5
6
2
1
0
0
27
59
65
73
99
98
98
76
77
100
86
84
69
63

Medium Clouds (% Sky Obscured)

100
100
99
97
65
100
96
85
100
100
100
99
100
92
100
100
100
91
56
100
100
100
96
93

High Clouds (% Sky Obscured)

100
100
90
80
98
100
100
100
100
100
100
100
100
93
100
100
100
100
54
54
100
100
67
33

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
2
9
9
9
4
2
9
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

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

Precipitation Probability (%)

2
3
3
3
3
5
6
14
22
57
95
71
64
82
95
95
95
82
66
76
95
90
52
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
1.1
0
0
0.3
0.6
0.6
0.8
0.6
0.3
0.4
1
0.9
0.3
0.3

Wind Speed/Direction (mph)

14
15
19
20
19
18
19
24
32
35
37
33
29
29
24
22
13
6
6
8
6
5
6
6

Chance of Frost

Temperature (°C)

0
2
2
2
2
2
2
3
3
4
4
4
4
4
3
2
2
1
-0
-1
-1
-1
-2
-2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
71
68
69
70
68
68
68
68
69
76
94
89
89
85
85
88
86
87
87
87
84
82
82

Pressure (mb)

1010
1009
1007
1006
1005
1003
1002
1000
999
997
996
996
996
996
996
996
996
996
996
997
996
996
996
996

Ozone (du)

472
474
472
466
459
463
467
472
473
471
473
480
483
480
478
477
478
476
479
476
479
480
480
481

Friday 3

Waning Gibbous 99%

23:37

06:00

02 Bad
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 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 OK

Sun - Rise: 06:29, Set: 20:24, Transit: 13:27. Moon - Rise: 23:37, Set: 06:00. Civil Dark: 21:17 - 05:36. Nautical Dark: 22:28 - 04:26. Astro Dark: 00:16 - 02:38

Total Clouds (% Sky Obscured)

98
99
99
100
99
98
96
89
76
58
55
50
40
35
38
34
37
37
37
46
55
56
54
37

Low Clouds (% Sky Obscured)

62
47
37
26
23
21
20
18
17
16
30
42
40
35
36
22
14
8
1
8
16
22
15
7

Medium Clouds (% Sky Obscured)

90
93
97
100
98
95
93
87
75
51
45
40
40
35
38
34
37
37
37
46
55
56
54
37

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
9
17
24
36
35
40
31
13
1
1
1
2
14
26
34
22
24

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

Snow
Snow
None
None
None
None
None
None
None
None
None
Snow
None
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

48
43
33
8
10
9
3
4
2
0
30
36
27
40
46
38
34
24
7
12
10
4
17
17

Precipitation Amount (mm)

0.1
0.1
0
0
0
0
0
0
0
0
0
0.1
0
0.1
0.2
0.1
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
7
7
6
6
6
5
4
3
2
2
1
2
2
2
3
3
4
5
4
5
5
4

Chance of Frost

Temperature (°C)

-4
-4
-5
-5
-5
-6
-5
-5
-3
-2
-1
-1
-1
-1
-1
-1
-1
-2
-2
-3
-3
-4
-3
-4

Feels Like (°C)

-8
-8
-9
-10
-10
-11
-10
-9
-8
-6
-3
-3
-3
-3
-3
-3
-3
-4
-5
-6
-6
-7
-7
-7

Dew Point (°C)

-6
-7
-7
-8
-8
-9
-8
-8
-6
-5
-5
-5
-5
-4
-4
-3
-4
-4
-5
-6
-5
-6
-6
-7

Relative Humidity (%)

81
81
81
81
80
79
80
77
79
78
77
77
75
77
80
83
83
83
81
79
81
81
81
79

Pressure (mb)

996
995
995
995
995
995
995
995
995
995
995
995
994
994
994
994
994
995
995
995
995
996
996
996

Ozone (du)

478
473
472
475
481
484
490
491
492
493
493
496
497
486
485
488
494
497
502
507
508
507
505
504

Saturday 4

Waning Gibbous 96%

01:39

05:44

02 Bad
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 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:26, Set: 20:28, Transit: 13:27. Moon - Rise: 01:39, Set: 05:44. Civil Dark: 21:21 - 05:32. Nautical Dark: 22:32 - 04:21. Astro Dark: 00:28 - 02:26

Total Clouds (% Sky Obscured)

44
45
39
39
37
37
32
32
30
30
30
30
30
30
32
61
31
28
28
39
53
65
81
91

Low Clouds (% Sky Obscured)

1
20
39
39
37
37
32
32
30
30
30
30
30
30
32
32
15
13
12
15
20
25
16
10

Medium Clouds (% Sky Obscured)

44
45
39
39
37
37
32
32
30
30
30
30
30
30
32
61
3
6
8
22
39
53
69
83

High Clouds (% Sky Obscured)

25
23
25
31
37
37
32
32
30
30
30
30
30
30
32
61
0
0
0
0
0
0
23
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

None
Snow
Snow
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
38
45
36
57
69
78
66
55
50
50
48
48
43
38
41
0
0
0
0
0
0
2
2

Precipitation Amount (mm)

0
0.1
0.2
0
0.3
0.5
0.6
0.4
0.3
0.3
0.3
0.2
0.3
0.2
0.1
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-7
-8
-8
-8
-7
-5
-4
-3
-2
-2
-2
-1
-2
-4
-3
-3
-2
-3
-4
-4
-8

Dew Point (°C)

-7
-7
-7
-7
-8
-9
-8
-7
-7
-6
-6
-6
-6
-5
-4
-3
-3
-4
-4
-5
-5
-6
-6
-6

Relative Humidity (%)

79
79
79
78
76
76
77
78
76
74
71
70
68
71
78
80
81
81
81
81
81
81
82
81

Pressure (mb)

996
997
997
997
997
997
997
997
997
997
997
996
996
996
995
995
994
993
993
993
992
992
991
991

Ozone (du)

503
508
513
514
512
510
509
507
503
504
508
510
515
517
516
517
520
521
522
523
523
523
523
524

Sunday 5

Waning Gibbous 91%

No Rise

05:17

02 Bad
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

Sun - Rise: 06:22, Set: 20:31, Transit: 13:26. Moon - Rise: No Rise, Set: 05:17. Civil Dark: 21:24 - 05:28. Nautical Dark: 22:37 - 04:15. Astro Dark: 00:43 - 01:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
87
75
62
60
51
40
46
42
38
38
38
43
54
73
92
94
97

Low Clouds (% Sky Obscured)

2
2
2
1
8
15
20
29
34
37
31
31
26
31
41
38
38
38
43
42
42
41
40
43

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
87
75
62
60
51
40
46
42
38
38
38
43
54
73
92
94
96

High Clouds (% Sky Obscured)

68
79
89
100
83
65
48
54
60
62
60
51
40
46
42
38
38
33
0
2
3
8
9
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Sleet
Sleet
None
Sleet
Very Light Rain

Precipitation Probability (%)

4
3
1
0
2
2
1
21
34
47
64
78
92
94
95
95
95
90
71
84
75
45
65
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0.3
0.5
0.6
0.6
0.6
0.7
0.8
0.5
0.2
0.5
0.5
0
0.3
0.3

Wind Speed/Direction (mph)

4
3
3
4
5
7
9
11
14
17
20
20
19
20
17
16
14
12
11
9
7
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-10
-9
-9
-9
-8
-9
-8
-9
-9
-11
-4
-4
-4
-3
-2
-1
-1
1
2
2
1
-0
-5

Dew Point (°C)

-7
-8
-7
-7
-7
-7
-6
-5
-4
-4
-4
-3
-3
-3
-3
-3
-2
-3
-3
-4
-4
-4
-4
-4

Relative Humidity (%)

81
79
79
79
78
78
78
78
78
77
77
77
75
74
78
81
84
84
84
84
83
83
83
83

Pressure (mb)

990
990
990
989
989
988
988
988
988
988
987
987
987
986
986
986
986
986
987
987
988
988
989
989

Ozone (du)

524
525
528
531
534
536
538
540
542
544
547
547
548
549
548
546
545
543
541
539
531
523
515
509

Monday 6

Waning Gibbous 85%

No Rise

No Set

Sun - Rise: 06:18, Set: 20:34, Transit: 13:26. Moon - Rise: No Rise, Set: No Set. Civil Dark: 21:28 - 05:24. Nautical Dark: 22:42 - 04:10. Astro Dark: 01:08 - N/A

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 Bordeyri, Republic of Iceland (65.15,-21.06)

Generated: 31/03/26 02:00:59. Forecast: 31/03/26 to 06/04/26. Timezone: UTC+0.00