Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 18

Waxing Crescent 4%

07:52

23:21

15 Bad
16 Bad
17 Bad
18 Good
19 OK
20 OK
21 OK
22 Bad
23 OK
00 OK
01 Bad
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

Sun - Rise: 05:59, Set: 20:45, Transit: 13:23. Moon - Rise: 07:52, Set: 23:21. Civil Dark: 21:18 - 05:27. Nautical Dark: 21:59 - 04:45. Astro Dark: 22:47 - 03:57

Total Clouds (% Sky Obscured)

80
66
53
14
19
29
42
54
39
20
83
55
80
89
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
16
13
8
13
18
25
33
24
0
0
1
7
18
15
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
4
0
0
1
3
10
10
6
4
8
8
7
6
1
0
14
0
35
40
40
40
40

High Clouds (% Sky Obscured)

3
6
4
3
2
3
3
3
4
7
83
55
74
84
99
100
100
100
100
100
100
100
100
100

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

Precipitation Probability (%)

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

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)

9
9
8
9
8
6
3
3
3
3
3
3
2
3
3
2
2
2
2
3
3
4
4
6

Chance of Frost

Temperature (°C)

15
16
17
17
16
14
11
10
10
9
8
7
6
6
6
5
6
9
12
14
16
17
18
19

Feels Like (°C)

13
14
15
15
15
14
12
11
10
10
8
6
5
4
4
4
4
7
10
13
14
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

55
55
57
59
65
71
77
80
81
81
82
84
84
83
83
83
79
73
66
57
51
46
46
44

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1016
1017
1017
1017
1017
1017
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1014

Ozone (du)

354
354
354
354
353
349
347
344
346
346
348
348
348
349
349
349
349
352
354
354
356
356
358
358

Tuesday 19

Waxing Crescent 11%

09:07

00:21

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:59, Set: 20:46, Transit: 13:23. Moon - Rise: 09:07, Set: 00:21. Civil Dark: 21:19 - 05:26. Nautical Dark: 22:00 - 04:44. Astro Dark: 22:48 - 03:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
99
81
100
97
74
100
97
88
79
58
91
100
90
88
49
86

Low Clouds (% Sky Obscured)

0
0
11
16
17
22
77
82
81
54
5
3
18
54
41
58
79
58
81
36
14
43
49
62

Medium Clouds (% Sky Obscured)

89
96
71
99
99
85
99
99
84
57
92
94
52
100
94
48
46
44
62
64
52
46
2
28

High Clouds (% Sky Obscured)

100
100
100
100
100
87
98
86
83
60
99
93
74
100
49
76
51
33
49
95
43
24
29
44

ISS Passover

Visibility (miles)

9
9
9
9
7
9
8
9
8
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 (%)

6
6
12
24
23
22
15
19
19
13
9
9
8
5
2
1
1
0
0
1
1
9
11
19

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)

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

Chance of Frost

Temperature (°C)

19
19
19
18
17
15
13
12
11
11
10
10
10
10
9
9
10
12
13
15
16
18
19
20

Feels Like (°C)

17
17
17
16
15
15
13
12
10
10
9
9
8
8
7
7
8
10
12
13
14
16
16
17

Dew Point (°C)

7
7
8
9
11
12
10
9
9
9
8
8
8
8
7
7
8
9
10
10
9
9
9
10

Relative Humidity (%)

45
47
50
56
71
78
82
81
84
85
88
90
91
90
88
88
87
83
78
71
63
57
53
53

Pressure (mb)

1014
1014
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1017
1018
1017
1017
1017
1017
1016
1016

Ozone (du)

359
360
361
362
362
362
361
361
361
361
362
361
362
363
363
364
365
364
363
363
363
362
362
362

Wednesday 20

Waxing Crescent 20%

10:26

01:06

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

Sun - Rise: 05:58, Set: 20:47, Transit: 13:23. Moon - Rise: 10:26, Set: 01:06. Civil Dark: 21:20 - 05:25. Nautical Dark: 22:02 - 04:43. Astro Dark: 22:50 - 03:54

Total Clouds (% Sky Obscured)

99
98
100
93
69
36
26
84
100
94
97
91
58
38
55
85
100
98
89
77
68
69
72
76

Low Clouds (% Sky Obscured)

43
53
30
10
10
12
4
4
0
0
0
5
8
19
15
5
2
12
15
20
29
46
47
57

Medium Clouds (% Sky Obscured)

49
26
10
30
7
5
5
5
2
5
0
5
16
1
0
1
6
0
6
27
50
69
70
73

High Clouds (% Sky Obscured)

98
96
100
92
51
9
25
83
99
91
97
86
23
16
30
67
100
96
78
53
30
35
41
51

ISS Passover

Visibility (miles)

9
6
6
8
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

26
44
51
62
37
8
0
0
0
0
0
0
0
0
0
0
0
0
4
10
21
28
37
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
19
18
17
16
14
12
12
11
10
10
10
9
9
9
10
12
14
16
17
19
19
20

Feels Like (°C)

18
17
16
15
15
15
14
12
11
9
10
9
8
9
9
9
9
10
12
13
15
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

54
57
65
67
73
78
83
86
87
85
87
85
87
87
87
88
85
79
74
69
66
62
63
63

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016

Ozone (du)

361
360
359
359
357
356
356
357
357
357
357
357
357
357
358
358
358
358
358
357
356
355
355
354

Thursday 21

Waxing Crescent 30%

11:43

01:41

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:57, Set: 20:48, Transit: 13:23. Moon - Rise: 11:43, Set: 01:41. Civil Dark: 21:21 - 05:24. Nautical Dark: 22:03 - 04:42. Astro Dark: 22:52 - 03:53

Total Clouds (% Sky Obscured)

77
77
78
83
77
91
86
84
92
79
78
74
66
71
78
80
81
79
82
87
97
94
100
100

Low Clouds (% Sky Obscured)

73
71
62
67
30
72
53
45
67
32
32
28
21
35
64
66
69
57
62
60
75
66
75
74

Medium Clouds (% Sky Obscured)

75
77
78
83
47
83
55
64
70
16
15
12
11
27
72
70
70
46
48
23
19
14
82
99

High Clouds (% Sky Obscured)

60
60
60
55
12
4
12
16
20
39
38
44
33
17
6
10
6
12
8
12
18
22
34
46

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

57
65
65
60
43
45
42
31
32
40
33
20
37
43
40
50
53
29
56
80
93
95
92
78

Precipitation Amount (mm)

0
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.5
0.7
0.9
0.7
0.5

Wind Speed/Direction (mph)

11
9
7
6
4
4
3
4
4
4
4
4
4
3
3
3
3
3
5
6
7
7
6
5

Chance of Frost

Temperature (°C)

19
18
18
17
16
16
15
15
14
14
13
13
13
13
12
12
14
14
15
17
17
18
18
17

Feels Like (°C)

16
16
17
16
16
16
15
15
14
13
14
14
13
13
13
12
13
14
15
16
16
16
17
17

Dew Point (°C)

14
14
15
14
14
14
14
14
13
12
12
13
12
12
12
12
13
13
13
13
13
14
14
15

Relative Humidity (%)

69
78
82
85
86
87
90
90
92
92
93
95
95
95
96
95
93
92
87
79
74
77
78
85

Pressure (mb)

1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

354
353
352
351
351
349
346
346
347
348
348
348
349
350
351
350
351
351
351
350
351
352
352
351

Friday 22

Waxing Crescent 42%

12:56

02:08

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:56, Set: 20:49, Transit: 13:23. Moon - Rise: 12:56, Set: 02:08. Civil Dark: 21:22 - 05:23. Nautical Dark: 22:04 - 04:41. Astro Dark: 22:53 - 03:51

Total Clouds (% Sky Obscured)

100
99
100
100
79
77
86
100
100
100
100
100
96
92
88
92
94
97
93
92
89
90
91
92

Low Clouds (% Sky Obscured)

70
67
79
79
33
30
23
23
21
49
68
69
64
60
63
73
74
75
72
71
69
64
59
54

Medium Clouds (% Sky Obscured)

12
24
42
53
18
16
22
29
85
74
63
100
76
56
34
41
46
49
58
67
74
64
51
36

High Clouds (% Sky Obscured)

43
44
44
53
59
52
69
100
100
91
100
99
80
62
44
49
53
69
78
77
80
64
52
49

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

63
60
50
50
52
54
57
44
31
56
68
58
72
57
20
53
54
42
64
79
72
86
95
95

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
16
15
14
14
13
13
14
13
13
13
13
13
14
15
16
17
18
18
19

Feels Like (°C)

17
17
17
17
17
17
16
15
13
13
13
13
12
12
13
13
13
13
13
15
15
15
16
16

Dew Point (°C)

15
15
15
15
15
15
14
13
13
12
12
13
12
12
12
12
13
13
14
14
14
14
14
14

Relative Humidity (%)

86
83
83
89
87
90
93
93
93
93
93
93
95
95
95
95
95
95
95
87
81
74
75
73

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

351
349
348
347
347
348
347
347
348
350
350
349
349
350
351
351
352
353
354
355
355
356
356
357

Saturday 23

First Quarter 53%

14:05

02:30

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:55, Set: 20:50, Transit: 13:23. Moon - Rise: 14:05, Set: 02:30. Civil Dark: 21:23 - 05:22. Nautical Dark: 22:05 - 04:40. Astro Dark: 22:55 - 03:50

Total Clouds (% Sky Obscured)

95
96
97
98
99
99
98
97
95
95
94
93
94
93
93
89
87
93
93
96
97
84
73
62

Low Clouds (% Sky Obscured)

55
55
54
55
57
59
58
55
48
57
67
78
81
85
89
89
87
87
88
86
86
72
57
42

Medium Clouds (% Sky Obscured)

32
28
23
43
63
80
81
80
72
68
64
63
68
72
76
69
63
56
55
53
48
36
26
16

High Clouds (% Sky Obscured)

71
83
92
90
90
84
73
64
59
59
51
35
25
17
9
23
38
52
37
21
8
11
15
22

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
91
87
84
77
73
48
71
88
80
64
49
46
41
50
43
37
47
56
58
62
58

Precipitation Amount (mm)

0.6
0.7
0.9
0.5
0.6
0.6
0.4
0.4
0
0.4
0.6
0.3
0.3
0
0
0
0.2
0
0
0
0.3
0.2
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
18
17
16
14
14
14
14
13
13
13
13
12
12
13
14
15
15
16
16
17
19

Feels Like (°C)

17
19
19
19
19
18
18
14
14
14
14
14
14
13
12
12
13
13
14
15
15
16
15
14

Dew Point (°C)

14
14
15
15
15
14
13
13
13
13
12
12
12
12
11
11
12
13
14
14
15
15
15
15

Relative Humidity (%)

73
76
78
81
85
87
90
92
92
93
92
93
93
93
93
93
93
93
93
93
93
95
86
78

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1022

Ozone (du)

357
356
356
355
356
356
356
356
356
356
356
356
356
356
356
356
356
356
357
357
357
357
358
360

Sunday 24

Waxing Gibbous 63%

No Rise

02:51

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:55, Set: 20:51, Transit: 13:23. Moon - Rise: No Rise, Set: 02:51. Civil Dark: 21:24 - 05:21. Nautical Dark: 22:07 - 04:38. Astro Dark: 22:56 - 03:48

Total Clouds (% Sky Obscured)

71
75
80
65
49
22
17
13
13
41
67
95
92
95
100
94
88
82

Low Clouds (% Sky Obscured)

42
43
44
35
29
22
17
9
0
17
33
46
46
56
70
80
79
77

Medium Clouds (% Sky Obscured)

25
30
34
25
12
0
0
0
0
1
1
2
12
23
35
48
59
68

High Clouds (% Sky Obscured)

30
33
35
27
15
6
8
10
13
40
67
90
85
85
81
63
46
29

ISS Passover

Visibility (miles)

5
5
6
6
7
8
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

Precipitation Type

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

Precipitation Probability (%)

63
67
70
64
57
46
37
26
4
6
5
5
7
7
4
9
10
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
20
19
17
16
14
14
13
12
12
11
10
10
10
10
12
13

Feels Like (°C)

14
23
22
21
20
20
20
16
15
15
15
15
14
10
9
10
10
10

Dew Point (°C)

15
14
14
14
13
13
12
12
12
11
11
10
10
9
9
9
10
11

Relative Humidity (%)

70
70
70
71
76
82
87
89
90
92
93
93
95
95
95
96
90
87

Pressure (mb)

1021
1021
1021
1021
1021
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

361
362
363
365
364
363
362
361
360
359
359
360
360
361
361
362
362
362

Forecast for Sofia, Sofia, Republic of Bulgaria (42.70,23.32)

Generated: 18/05/26 14:53:53. Forecast: 18/05/26 to 24/05/26. Timezone: UTC+3.00