Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Gibbous 69%

12:45

05:12

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
08 Bad
09 Bad

Sun - Rise: 05:15, Set: 21:44, Transit: 13:31. Moon - Rise: 12:45, Set: 05:12. Civil Dark: 22:51 - 04:06. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
98
94
91
91
94
97
99
93
96
100
98
95
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

95
73
73
76
70
85
91
97
75
93
100
93
84
93
100
80
86
100
87
86
95
82
74
82

Medium Clouds (% Sky Obscured)

87
78
63
70
57
36
31
25
43
41
27
53
64
89
96
99
100
100
100
100
86
99
96
93

High Clouds (% Sky Obscured)

1
0
0
0
1
4
4
8
4
9
35
77
82
98
100
100
100
100
99
100
100
95
94
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
23
81
73
64
97
63
48
59
30
37
31
32
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 (%)

54
40
23
21
18
21
21
22
20
26
29
34
25
25
22
19
28
26
27
28
30
37
48
44

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)

13
15
17
18
21
21
19
17
15
14
13
13
13
13
13
13
12
11
11
12
13
12
13
13

Chance of Frost

Temperature (°C)

7
7
7
7
8
8
8
8
8
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
91
90
91
88
90
91
91
91
90
91
91
91
93
90
91
91
91
88
85
84
81

Pressure (mb)

1021
1021
1020
1020
1019
1018
1018
1018
1017
1017
1016
1016
1015
1015
1015
1014
1014
1013
1013
1013
1012
1012
1012
1012

Ozone (du)

381
389
392
385
379
377
374
374
371
369
366
369
370
370
370
370
370
370
368
368
369
370
371
372

Sunday 26

Waxing Gibbous 79%

14:35

05:01

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
08 Bad
09 Bad

Sun - Rise: 05:11, Set: 21:48, Transit: 13:31. Moon - Rise: 14:35, Set: 05:01. Civil Dark: 22:56 - 04:01. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
95
100
100
80
80
90
100
100
100
100
100
100
100
100
100
100
58
81
97

Low Clouds (% Sky Obscured)

73
75
80
80
48
69
68
51
61
65
81
100
100
95
87
88
80
76
84
100
79
53
38
27

Medium Clouds (% Sky Obscured)

80
86
84
85
95
55
90
78
41
41
60
66
63
73
87
84
84
100
96
100
88
15
54
93

High Clouds (% Sky Obscured)

100
100
97
100
100
86
100
100
80
80
90
100
70
68
100
100
95
87
100
100
87
58
81
86

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
69
100
100
47
56
31
6
0
1
44
30

Precipitation Type

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

Precipitation Probability (%)

35
25
13
9
12
22
35
40
47
49
61
63
51
42
33
40
80
95
95
93
66
45
22
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0.5
1.6
0.9
0.6
0.3
0
0
0

Wind Speed/Direction (mph)

12
12
12
13
14
14
13
12
11
9
9
10
10
12
14
15
17
19
22
23
22
19
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
74
73
71
70
73
77
85
90
91
91
93
93
93
94
93
94
94
94
94
94
94
96
95

Pressure (mb)

1012
1012
1012
1012
1011
1011
1010
1010
1010
1009
1009
1009
1009
1008
1008
1007
1007
1006
1006
1005
1005
1005
1006
1007

Ozone (du)

373
377
380
381
382
385
384
386
389
392
394
395
398
397
396
391
389
392
394
393
399
398
393
391

Monday 27

Waxing Gibbous 87%

16:17

04:50

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
08 Bad
09 Bad

Sun - Rise: 05:07, Set: 21:51, Transit: 13:31. Moon - Rise: 16:17, Set: 04:50. Civil Dark: 23:01 - 03:56. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
95
100
100
97
94
80
100
83
83
80
96
95
89
96
97
100

Low Clouds (% Sky Obscured)

17
7
13
14
47
96
100
86
83
100
100
96
93
74
66
70
56
74
56
92
86
82
76
77

Medium Clouds (% Sky Obscured)

99
99
100
100
100
100
100
52
44
80
56
48
0
0
15
8
16
1
8
62
76
90
97
99

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
10
5
5
0
0
0
100
51
55
4
85
82
88
89
95
96

ISS Passover

Visibility (miles)

4
9
9
9
9
6
5
6
1
1
3
3
3
2
1
4
9
9
9
9
9
4
5
9

Fog (%)

43
34
34
47
32
32
30
63
33
30
30
41
32
38
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

16
13
1
14
32
78
74
95
95
95
51
79
59
59
53
27
20
22
26
25
49
64
70
83

Precipitation Amount (mm)

0
0
0
0
0
0.6
0.4
1.7
1.6
1.3
0
0.6
0.2
0.2
0
0
0
0
0
0
0
0.3
0.3
0.5

Wind Speed/Direction (mph)

17
17
18
19
19
21
25
26
27
31
34
33
28
26
29
32
31
32
32
31
31
29
28
27

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
85
81
82
85
88
90
90
93
93
91
88
90
90
91
84
81
84
87
81
88
88
88

Pressure (mb)

1007
1007
1008
1007
1007
1006
1005
1003
1002
1001
1000
1000
1000
1000
1001
1002
1003
1003
1004
1004
1004
1004
1004
1004

Ozone (du)

388
386
383
378
375
371
367
366
364
365
368
375
393
399
383
378
377
379
383
389
388
386
387
380

Tuesday 28

Waxing Gibbous 93%

17:55

04:40

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
08 Bad
09 Bad

Sun - Rise: 05:04, Set: 21:54, Transit: 13:31. Moon - Rise: 17:55, Set: 04:40. Civil Dark: 23:05 - 03:51. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
94
96
94
93
72
69
68
57
54
49
39
42
26
26
42
57
60
68
64
54
80
71
71

Low Clouds (% Sky Obscured)

76
76
73
73
70
68
67
65
57
54
49
39
32
13
15
30
44
50
60
58
46
68
54
54

Medium Clouds (% Sky Obscured)

98
94
72
47
26
30
33
39
26
13
0
4
9
14
21
29
36
26
16
6
18
31
42
44

High Clouds (% Sky Obscured)

99
94
69
45
40
8
10
6
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
4
3
3
4
6
6
8

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

Precipitation Probability (%)

94
95
95
95
87
72
49
19
21
21
26
33
34
28
34
39
39
42
44
47
44
41
40
40

Precipitation Amount (mm)

0.7
0.8
0.8
0.8
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0

Wind Speed/Direction (mph)

26
28
26
25
23
23
25
27
29
29
29
30
30
30
30
31
31
32
32
32
31
32
33
34

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
79
78
76
74
72
72
72
75
74
74
75
75
73
73
75
75
73
75
76
77
73
72
69

Pressure (mb)

1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1007

Ozone (du)

383
384
385
385
386
387
388
388
389
392
396
398
402
408
409
412
414
414
413
410
412
413
411
410

Wednesday 29

Waxing Gibbous 97%

19:34

04:28

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
08 Bad
09 Bad

Sun - Rise: 05:00, Set: 21:58, Transit: 13:31. Moon - Rise: 19:34, Set: 04:28. Civil Dark: 23:10 - 03:46. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

68
67
66
71
66
71
68
73
81
75
75
89
88
82
84
83
82
86
89
93
95
97
99
89

Low Clouds (% Sky Obscured)

45
37
38
51
49
57
55
64
73
64
62
78
77
75
76
77
77
80
82
85
85
84
82
72

Medium Clouds (% Sky Obscured)

46
46
42
36
31
36
28
24
29
36
39
56
70
82
84
81
71
76
81
86
86
86
90
69

High Clouds (% Sky Obscured)

2
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

37
39
42
42
38
42
41
41
44
40
39
45
48
51
71
66
63
60
57
54
52
51
52
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

34
34
35
34
34
34
32
31
29
27
24
21
21
21
21
20
19
19
17
15
12
12
12
12

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
3
3
3
3
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
70
68
68
66
67
68
71
69
71
71
73
72
71
69
68
66
71
74
80
74
72
67

Pressure (mb)

1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1008
1008
1008
1009
1009
1009
1010
1010
1010

Ozone (du)

408
408
408
406
404
401
403
404
406
409
413
416
421
426
431
434
437
441
446
451
456
457
458
459

Thursday 30

Waxing Gibbous 99%

21:17

04:15

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 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 04:56, Set: 22:01, Transit: 13:31. Moon - Rise: 21:17, Set: 04:15. Civil Dark: 23:15 - 03:41. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

80
70
78
85
93
83
75
66
70
74
75
66
56
48
34
21
10
22
33
45
52
60
67
74

Low Clouds (% Sky Obscured)

62
53
60
67
73
67
61
55
53
53
51
44
37
30
20
10
2
14
25
35
43
50
56
66

Medium Clouds (% Sky Obscured)

52
34
44
49
32
28
19
15
20
22
24
21
18
13
9
6
2
11
18
24
10
3
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
6
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
38
38
37
36
37
38
37
35
30
22
21
17
5
8
11
11
13
13
12
21
23
24
28

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)

14
15
16
17
17
18
16
14
14
11
10
9
8
7
6
6
6
6
7
8
9
10
11
13

Chance of Frost

Temperature (°C)

4
4
5
5
5
5
5
5
5
4
4
4
4
4
3
3
3
3
4
4
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
63
60
61
61
62
61
61
61
63
64
66
67
69
72
75
75
77
80
82
85
86
89
93

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016

Ozone (du)

461
462
463
466
468
471
458
446
433
428
422
417
416
414
413
412
411
410
407
404
401
398
394
390

Friday 1

Full Moon 100%

23:10

03:55

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: 04:53, Set: 22:05, Transit: 13:30. Moon - Rise: 23:10, Set: 03:55. Civil Dark: 23:20 - 03:35. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

82
90
81
72
63
71
78
86
86
87
86
83
80
76
63
49
35
47
57
70

Low Clouds (% Sky Obscured)

76
86
74
65
54
63
73
83
83
83
83
79
75
71
54
37
20
36
52
68

Medium Clouds (% Sky Obscured)

0
0
0
0
15
20
15
20
16
12
9
6
3
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
6
7

Fog (%)

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

Precipitation Probability (%)

31
34
37
40
38
37
37
34
34
33
32
32
30
28
29
31
32
33
34
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
14
15
16
17
19
18
17
16
14
13
11
9
8
6
6
7
8
8
9

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
4

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3

Relative Humidity (%)

93
93
94
93
93
93
93
93
94
93
93
91
93
91
93
93
93
93
91
89

Pressure (mb)

1016
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1011
1010
1010
1009
1009

Ozone (du)

390
390
390
389
389
388
392
395
399
400
401
403
405
407
409
413
418
423
425
427

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

Generated: 25/04/26 09:39:24. Forecast: 25/04/26 to 01/05/26. Timezone: UTC+0.00