Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 1

Waxing Gibbous 100%

20:16

06:24

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:43, Set: 20:27, Transit: 13:37. Moon - Rise: 20:16, Set: 06:24. Civil Dark: 21:19 - 05:51. Nautical Dark: 22:27 - 04:42. Astro Dark: 00:02 - 03:03

Total Clouds (% Sky Obscured)

99
100
100
93
100
100
100
100
100
100
92
85
100
100
100
100
100
96
100
97
100
69
61
88

Low Clouds (% Sky Obscured)

46
39
62
47
54
32
17
0
2
24
39
13
16
16
7
24
28
26
31
56
53
56
57
43

Medium Clouds (% Sky Obscured)

99
100
82
87
100
100
100
100
100
86
66
59
51
63
81
58
68
64
75
27
71
31
0
56

High Clouds (% Sky Obscured)

71
89
75
75
82
98
94
94
100
98
88
85
100
100
97
100
100
95
100
96
44
52
57
21

ISS Passover

Visibility (miles)

9
9
5
4
9
4
5
8
9
5
9
6
4
4
4
3
0
1
2
3
3
3
3
3

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
Snow
None
None
None
None
Snow
Light Rain
Light Rain

Precipitation Probability (%)

5
11
26
28
32
35
30
30
25
22
24
28
25
21
26
34
41
37
32
28
42
79
95
85

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0.6
1.5
0.5

Wind Speed/Direction (mph)

8
8
7
9
10
13
17
20
22
24
25
26
25
27
28
31
31
32
32
32
33
32
37
32

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-3
-3
-4
-4
-5
-5
-4
-4
-4
-4
-5
-5
-5
-4
-3
-4
-4
-4
-4
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

64
64
68
77
79
70
70
68
76
79
80
80
83
88
86
91
91
91
88
89
85
82
80
81

Pressure (mb)

1016
1017
1017
1016
1016
1016
1015
1015
1014
1013
1012
1011
1010
1009
1008
1007
1006
1004
1003
1001
1000
998
996
996

Ozone (du)

456
462
463
465
464
468
473
478
479
480
477
474
473
473
472
470
470
462
455
461
478
481
490
496

Thursday 2

Full Moon 99%

21:58

06:11

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:39, Set: 20:31, Transit: 13:37. Moon - Rise: 21:58, Set: 06:11. Civil Dark: 21:23 - 05:47. Nautical Dark: 22:31 - 04:37. Astro Dark: 00:11 - 02:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
77
92
73
90
100
100
100
100
100
100
77
60
63
70
65
59
70

Low Clouds (% Sky Obscured)

42
42
40
71
71
66
64
55
50
34
45
51
45
25
33
63
44
45
44
49
64
65
56
63

Medium Clouds (% Sky Obscured)

92
95
87
100
96
100
87
43
79
53
77
100
100
100
100
100
100
58
35
25
15
15
15
15

High Clouds (% Sky Obscured)

52
77
80
80
75
75
70
60
65
65
80
95
36
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
2
3
1
0
0
0
2
1
1
7
9
9
9
8
2
1
9
9
3
2
0
3
9

Fog (%)

31
46
44
34
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

61
50
49
75
74
59
54
52
55
39
25
24
32
36
43
46
42
36
46
54
54
41
18
22

Precipitation Amount (mm)

0
0
0
0.4
0.3
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.1
0
0

Wind Speed/Direction (mph)

20
11
9
7
8
9
11
11
11
10
8
7
7
7
8
8
7
7
7
7
7
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
86
93
91
96
98
96
83
86
91
74
71
69
71
74
80
89
83
81
81
78
83
86
86

Pressure (mb)

995
995
995
995
995
995
994
994
993
993
993
993
993
993
993
993
993
992
992
992
992
992
992
992

Ozone (du)

495
489
486
485
484
484
483
481
483
490
494
499
501
504
504
508
505
496
493
492
490
485
488
489

Friday 3

Waning Gibbous 96%

23:45

05:56

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

Sun - Rise: 06:36, Set: 20:34, Transit: 13:37. Moon - Rise: 23:45, Set: 05:56. Civil Dark: 21:26 - 05:43. Nautical Dark: 22:36 - 04:32. Astro Dark: 00:20 - 02:42

Total Clouds (% Sky Obscured)

60
37
33
14
32
28
7
10
43
59
63
54
41
38
30
30
30
30
23
32
48
41
62
85

Low Clouds (% Sky Obscured)

58
37
28
14
25
18
5
10
38
37
41
29
14
9
0
0
1
6
0
22
48
25
24
23

Medium Clouds (% Sky Obscured)

8
1
8
1
9
11
2
1
1
33
50
50
41
38
30
30
20
20
23
17
10
31
57
78

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
7
10
10
5
5
5
0
0
0
0
0
0
0
0
19
38

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

20
16
13
13
17
12
14
15
12
9
11
11
11
11
10
15
22
25
24
32
20
17
34
82

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
0.7

Wind Speed/Direction (mph)

8
8
8
10
10
10
10
10
11
12
11
10
9
8
9
9
9
10
11
12
12
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-3
-4
-4
-5
-5
-5
-5
-6
-6
-5
-5
-6
-7
-6
-6
-5
-4
-5
-4
-4
-4
-4
-4

Relative Humidity (%)

86
84
80
73
69
66
64
64
60
60
65
65
63
62
63
67
71
74
72
73
77
75
74
74

Pressure (mb)

992
992
992
992
992
992
992
991
991
991
991
991
991
991
991
991
990
990
990
990
991
991
991
992

Ozone (du)

490
493
496
493
492
495
495
492
488
486
485
486
485
486
490
494
495
496
497
499
501
503
503
505

Saturday 4

Waning Gibbous 91%

01:46

05:30

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:32, Set: 20:37, Transit: 13:36. Moon - Rise: 01:46, Set: 05:30. Civil Dark: 21:29 - 05:39. Nautical Dark: 22:40 - 04:27. Astro Dark: 00:31 - 02:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
73
72
81
69
84
77
76
79
78
76
70
70
63
64
63
60
55
46
47

Low Clouds (% Sky Obscured)

26
22
14
14
15
20
26
31
35
40
42
44
47
47
49
49
42
33
27
28
30
34
24
13

Medium Clouds (% Sky Obscured)

100
100
100
100
100
73
72
78
67
82
77
76
79
78
76
70
70
63
64
63
60
55
46
47

High Clouds (% Sky Obscured)

60
64
65
69
54
38
21
14
10
12
17
22
27
27
31
34
29
23
19
16
14
11
11
14

ISS Passover

Visibility (miles)

0
0
4
3
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

81
52
37
25
27
28
14
28
31
32
40
48
51
49
50
31
28
25
22
22
18
13
15
17

Precipitation Amount (mm)

0.7
0.2
0
0
0
0
0
0
0
0
0
0.1
0.2
0.1
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
8
7
6
6
4
4
3
4
4
4
4
5
6
8
9
10
11
12
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
84
84
77
73
71
69
68
68
69
69
70
70
70
68
67
68
70
71
72
71
70
70

Pressure (mb)

992
993
993
994
994
994
994
995
994
994
994
994
994
994
994
993
993
993
993
993
993
993
993
993

Ozone (du)

505
506
504
503
509
508
507
509
513
514
514
516
520
525
528
528
526
525
524
524
524
524
528
531

Sunday 5

Waning Gibbous 85%

No Rise

No Set

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
03 Bad
04 OK
05 OK
06 OK
07 OK

Sun - Rise: 06:28, Set: 20:40, Transit: 13:36. Moon - Rise: No Rise, Set: No Set. Civil Dark: 21:33 - 05:35. Nautical Dark: 22:45 - 04:22. Astro Dark: 00:44 - 02:09

Total Clouds (% Sky Obscured)

66
86
88
99
99
98
98
99
99
100
87
74
61
74
87
100
84
68
49
45
39
36
39
39

Low Clouds (% Sky Obscured)

5
15
29
44
34
22
16
12
7
9
40
40
35
35
35
30
25
20
14
8
5
2
1
1

Medium Clouds (% Sky Obscured)

66
83
80
73
87
95
96
97
99
100
84
66
52
66
83
100
70
37
6
8
11
14
14
13

High Clouds (% Sky Obscured)

33
47
27
10
5
5
0
0
0
0
0
0
0
0
0
0
9
18
27
22
18
14
19
24

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
2
0
0
0
6
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
Sleet
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
21
23
24
19
24
31
37
35
38
59
61
37
28
24
13
24
24
8
11
11
7
13
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
13
13
13
13
13
12
11
10
9
7
6
7
7
7
7
7
7
7
8
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
67
67
70
69
71
71
74
76
83
96
100
100
96
84
74
76
75
77
77
80
80
81
78

Pressure (mb)

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

Ozone (du)

533
533
532
531
528
529
527
520
513
510
509
510
512
509
505
503
502
500
498
497
489
481
474
469

Monday 6

Waning Gibbous 77%

No Rise

No Set

08 OK
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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:25, Set: 20:43, Transit: 13:36. Moon - Rise: No Rise, Set: No Set. Civil Dark: 21:36 - 05:31. Nautical Dark: 22:50 - 04:16. Astro Dark: 01:02 - N/A

Total Clouds (% Sky Obscured)

41
60
80
100
100
100
100
100
100
100
100
100
100
83
68
55
71
83
96
96
96
96
97
99

Low Clouds (% Sky Obscured)

0
0
0
0
18
36
54
66
81
97
79
63
44
41
37
34
50
67
84
82
78
76
72
69

Medium Clouds (% Sky Obscured)

10
35
60
80
82
84
88
92
96
100
100
100
100
83
68
55
71
83
96
95
92
90
88
90

High Clouds (% Sky Obscured)

29
53
76
100
100
100
100
96
90
83
56
29
5
5
5
5
10
19
28
37
43
48
65
83

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
1
1
1
1
0
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
Snow
Snow
Snow
Snow
Sleet
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

2
5
5
0
0
0
0
14
29
37
40
38
46
53
59
63
71
86
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.1
0.1
0.2
0.3
0.3
0.4
0.4
0.6
1
0.8
0.8
1.1
1
1.2

Wind Speed/Direction (mph)

10
10
11
13
16
17
18
19
20
21
21
22
21
21
21
21
21
21
22
23
22
21
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
71
70
67
66
65
65
64
66
68
70
71
73
74
83
91
98
94
91
86
89
91
93
94

Pressure (mb)

1005
1005
1005
1004
1004
1003
1002
1002
1001
1000
999
998
997
997
995
994
993
992
991
990
989
988
987
987

Ozone (du)

465
461
461
461
461
461
461
461
459
458
456
458
460
461
463
464
466
467
468
469
473
476
479
485

Tuesday 7

Waning Gibbous 68%

No Rise

No Set

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
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:21, Set: 20:46, Transit: 13:35. Moon - Rise: No Rise, Set: No Set. Civil Dark: 21:40 - 05:27. Nautical Dark: 22:54 - 04:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
93
87
78
82
88
94
94
93
93
92
90
88
90
92
95
92
90
88
90
92
93

Low Clouds (% Sky Obscured)

66
62
59
55
53
53
51
60
69
79
77
76
73
78
82
87
84
80
77
80
84
87

Medium Clouds (% Sky Obscured)

95
79
63
47
56
67
80
71
59
50
50
50
53
49
46
42
37
32
25
19
19
19

High Clouds (% Sky Obscured)

100
72
43
15
14
13
12
8
4
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

95
92
72
48
39
33
11
24
27
26
41
51
61
55
45
20
33
44
58
62
62
46

Precipitation Amount (mm)

1.2
0.8
0.5
0.2
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0.2
0.3
0

Wind Speed/Direction (mph)

20
20
15
10
6
8
10
12
12
13
14
12
11
11
11
11
12
11
11
11
11
10

Chance of Frost

Temperature (°C)

2
2
3
3
3
3
4
4
4
4
4
4
3
3
3
3
3
3
3
4
3
3

Feels Like (°C)

-6
-6
-6
-6
-6
-3
-1
1
1
0
-0
-1
-1
-2
-1
-1
-1
-1
-1
-1
-1
-1

Dew Point (°C)

2
2
2
3
3
3
4
4
3
3
3
3
3
3
3
3
2
3
3
3
3
3

Relative Humidity (%)

96
98
96
98
98
98
100
100
98
98
96
96
98
98
96
96
94
96
96
96
96
96

Pressure (mb)

987
986
986
986
986
986
985
985
985
985
985
985
985
985
984
984
984
984
983
983
983
983

Ozone (du)

491
497
496
495
494
494
493
492
488
483
479
473
466
460
456
452
448
447
446
445
443
441

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

Generated: 01/04/26 08:00:23. Forecast: 01/04/26 to 07/04/26. Timezone: UTC+0.00