Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 11%

06:49

02:33

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 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 04:30, Set: 22:05, Transit: 13:18. Moon - Rise: 06:49, Set: 02:33. Civil Dark: 23:13 - 03:20. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

82
86
89
92
100
100
100
78
45
81
83
81
70
69
86
36
54
82
99
97
100
100
97
99

Low Clouds (% Sky Obscured)

50
39
10
10
6
0
0
37
16
25
44
42
70
57
83
36
54
82
98
96
100
100
96
98

Medium Clouds (% Sky Obscured)

82
86
89
91
100
98
94
60
45
10
24
25
33
19
0
10
3
0
0
0
13
2
7
5

High Clouds (% Sky Obscured)

82
86
89
92
100
100
100
50
24
65
81
77
33
1
1
1
1
1
2
13
13
10
2
3

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
8
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
98
97
90
73

Precipitation Type

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

Precipitation Probability (%)

49
74
95
46
20
1
0
14
60
34
15
14
61
27
3
0
1
0
3
2
0
2
1
1

Precipitation Amount (mm)

0
0.5
0.3
0
0
0
0
0
0.4
0
0
0
0.6
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
13
14
17
18
18
18
19
21
20
19
18
16
14
11
10
10
10
10
9
9
9

Feels Like (°C)

9
10
11
11
12
15
16
16
17
19
21
21
20
19
16
13
12
10
9
8
7
8
7
8

Dew Point (°C)

7
8
9
10
11
11
12
12
13
14
14
14
14
14
13
12
11
9
9
9
9
8
8
8

Relative Humidity (%)

72
76
80
83
84
71
66
70
72
71
66
66
70
77
85
90
95
96
93
91
93
93
93
93

Pressure (mb)

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

Ozone (du)

366
366
365
363
362
361
359
359
359
359
359
359
358
356
357
358
359
361
361
361
361
359
357
354

Wednesday 20

Waxing Crescent 20%

No Rise

02:46

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 04:28, Set: 22:07, Transit: 13:19. Moon - Rise: No Rise, Set: 02:46. Civil Dark: 23:17 - 03:17. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
97
83
68
79
72
71
83
67
92
91
91
93
100
100
100
99
94
92
91
71
59
66
60

Low Clouds (% Sky Obscured)

100
95
75
64
63
44
27
26
29
32
33
35
32
40
37
35
39
41
33
30
10
1
0
0

Medium Clouds (% Sky Obscured)

8
5
8
6
3
5
36
40
24
37
69
70
88
100
99
100
98
86
79
78
64
59
66
52

High Clouds (% Sky Obscured)

2
3
9
4
25
25
22
46
30
87
53
46
6
4
99
99
92
35
31
30
16
11
5
6

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 (%)

5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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
0
0
0
0
0
0
0
0
0
0
1
13
19
10
8
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)

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

Chance of Frost

Temperature (°C)

10
11
11
13
14
15
17
19
20
20
21
20
19
18
16
14
13
13
12
12
11
10
10
11

Feels Like (°C)

9
9
9
10
11
13
16
17
18
19
19
18
17
16
13
11
11
11
10
10
9
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

88
85
80
75
71
65
57
48
45
42
41
42
47
52
59
63
66
68
71
73
75
77
76
72

Pressure (mb)

1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

353
352
350
350
350
350
349
347
347
348
350
350
349
348
349
350
349
348
349
349
347
345
344
345

Thursday 21

Waxing Crescent 30%

08:42

02:50

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 04:26, Set: 22:09, Transit: 13:19. Moon - Rise: 08:42, Set: 02:50. Civil Dark: 23:20 - 03:14. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

62
93
100
97
100
100
100
100
100
100
86
87
100
100
98
100
99
100
100
100
100
100
100
95

Low Clouds (% Sky Obscured)

0
0
0
20
43
43
51
36
39
35
28
0
29
42
43
39
36
43
31
36
35
34
32
37

Medium Clouds (% Sky Obscured)

52
53
48
45
55
55
60
60
55
64
49
52
65
70
67
64
81
97
99
100
99
99
98
91

High Clouds (% Sky Obscured)

2
47
100
65
100
100
100
100
100
100
33
7
81
65
1
79
76
72
88
85
85
81
100
78

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
3
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

1
0
0
1
19
40
41
57
75
65
26
5
0
0
1
0
0
2
17
46
63
55
32
26

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
4
4
4
4
4
4
4
4
4
4
4
5
6
7
7
7
7
7
9
10
10
9

Relative Humidity (%)

60
51
44
40
38
37
36
37
36
37
38
39
40
47
56
67
73
77
77
78
90
95
95
91

Pressure (mb)

1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

345
344
344
343
343
343
344
345
348
350
353
353
352
351
353
355
357
362
366
367
371
373
375
378

Friday 22

Waxing Crescent 42%

10:31

02:52

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 04:24, Set: 22:11, Transit: 13:19. Moon - Rise: 10:31, Set: 02:52. Civil Dark: 23:24 - 03:11. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

89
84
86
88
89
91
93
95
94
93
93
95
96
96
95
91
91
90
91
91
77
63
47
40

Low Clouds (% Sky Obscured)

41
46
45
44
44
56
67
79
74
70
64
70
70
73
67
60
61
40
20
1
14
29
43
39

Medium Clouds (% Sky Obscured)

83
74
76
77
77
80
82
86
85
76
71
76
75
75
80
75
75
59
37
17
12
6
0
0

High Clouds (% Sky Obscured)

57
53
50
40
35
35
26
30
35
6
2
26
68
81
85
85
85
90
91
90
60
27
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
7
3
5
6
6
8
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
Very Light Rain
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

27
25
27
36
41
64
73
64
80
93
95
95
95
95
95
95
95
95
95
50
29
6
0
1

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.3
0
0.4
0.6
0.7
0.6
0.5
0.4
1.1
1.8
2.5
0.9
0.8
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
12
14
15
16
16
16
16
16
17
16
16
15
14
12
12
11
11
10
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
87
80
75
73
72
75
74
69
59
62
60
59
67
79
90
95
95
95
96
96
98
90

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019

Ozone (du)

380
382
383
384
384
383
383
384
384
380
372
368
366
362
362
362
363
365
368
370
371
371
367
364

Saturday 23

First Quarter 53%

12:11

02:52

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

Sun - Rise: 04:22, Set: 22:13, Transit: 13:19. Moon - Rise: 12:11, Set: 02:52. Civil Dark: 23:27 - 03:07. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

33
43
49
40
25
16
27
40
30
15
1
1
14
30
37
69
100
100
100
100
100
100
100
93

Low Clouds (% Sky Obscured)

33
34
24
12
0
8
17
25
17
9
0
0
0
0
0
1
1
1
1
1
24
48
70
69

Medium Clouds (% Sky Obscured)

0
0
0
2
22
9
16
23
15
7
0
0
0
0
17
34
43
43
54
74
83
93
100
87

High Clouds (% Sky Obscured)

0
2
5
5
1
1
1
1
1
0
0
1
5
5
37
69
100
100
100
100
100
100
100
93

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
4
6
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
2
4
4
8
7
2
2
2
0
0
0
0
9
18
34
56
80
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.9
0.8

Wind Speed/Direction (mph)

8
9
9
10
11
11
11
11
11
12
12
12
10
11
10
8
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

11
13
15
17
18
20
21
21
22
22
22
21
21
19
16
15
13
12
11
11
11
10
10
10

Feels Like (°C)

11
12
13
14
15
17
19
19
20
19
20
20
19
16
14
13
12
12
11
10
10
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

80
69
61
57
47
40
38
35
32
32
35
36
40
47
57
60
65
72
76
81
85
87
91
93

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1016
1016
1015
1015
1014

Ozone (du)

362
361
361
362
362
361
361
361
360
361
359
357
355
355
354
354
354
354
355
356
357
359
362
364

Sunday 24

Waxing Gibbous 63%

13:44

02:51

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 04:20, Set: 22:16, Transit: 13:19. Moon - Rise: 13:44, Set: 02:51. Civil Dark: 23:30 - 03:04. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

88
92
84
75
65
68
73
79
87
94
100
100
99
99
94
89
83
88
94
99
89
79
69
69

Low Clouds (% Sky Obscured)

67
68
61
52
45
47
48
48
62
76
89
83
77
71
54
32
29
37
36
34
26
17
8
20

Medium Clouds (% Sky Obscured)

82
76
64
55
41
45
48
50
57
63
70
72
64
50
28
18
12
32
51
70
68
65
62
54

High Clouds (% Sky Obscured)

88
92
67
33
0
0
0
4
35
66
81
62
44
22
40
57
70
53
38
27
18
9
0
0

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

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

Precipitation Probability (%)

95
94
79
60
31
24
21
24
43
54
59
49
36
15
20
15
3
7
5
1
7
6
4
10

Precipitation Amount (mm)

1
0.5
0.4
0.3
0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
8
8
9
10
11
12
13
13
13
13
12
12
12
12
11
11
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

11
12
13
14
15
17
16
15
15
14
14
14
14
14
14
13
13
12
12
11
10
10
10
10

Feels Like (°C)

7
7
7
12
12
12
12
14
15
10
9
10
9
8
8
8
8
7
8
8
7
5
5
6

Dew Point (°C)

8
7
6
6
6
5
6
7
8
9
9
10
10
10
10
9
8
8
7
7
7
6
5
5

Relative Humidity (%)

81
72
63
58
52
46
52
58
66
69
73
76
75
76
76
75
75
73
75
77
78
77
73
72

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

367
370
373
375
377
380
378
376
375
372
369
367
369
372
375
374
374
374
376
378
380
382
385
388

Monday 25

Waxing Gibbous 73%

15:12

02:51

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: 04:18, Set: 22:18, Transit: 13:19. Moon - Rise: 15:12, Set: 02:51. Civil Dark: 23:34 - 03:01. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

71
73
82
87
90
88
86
84
84
85
84
75
64
55
58
59
59
63
66
70

Low Clouds (% Sky Obscured)

34
47
64
78
85
82
79
77
73
69
63
47
30
15
24
33
42
54
61
69

Medium Clouds (% Sky Obscured)

46
38
26
13
3
8
17
25
49
72
84
75
59
49
51
54
58
60
62
64

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)

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

Precipitation Type

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

Precipitation Probability (%)

8
4
20
30
34
34
36
41
41
40
35
32
24
2
8
9
6
19
19
12

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)

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

Chance of Frost

Temperature (°C)

10
10
11
11
11
11
11
12
12
13
13
13
13
12
12
11
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
64
60
59
58
57
55
54
54
52
50
50
51
53
55
60
65
69
72
73

Pressure (mb)

1014
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016

Ozone (du)

389
390
391
392
393
394
394
394
394
392
391
390
389
387
386
384
383
382
382
382

Forecast for Vols, Helsinki, Finland (60.17,24.39)

Generated: 19/05/26 07:59:44. Forecast: 19/05/26 to 25/05/26. Timezone: UTC+3.00