Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 22

Waxing Crescent 29%

08:30

00:16

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
02 Bad

Sun - Rise: 06:58, Set: 17:32, Transit: 12:15. Moon - Rise: 08:30, Set: 00:16. Civil Dark: 18:05 - 06:25. Nautical Dark: 18:42 - 05:47. Astro Dark: 19:20 - 05:10

Total Clouds (% Sky Obscured)

100
100
100
100
99
97
96
97
96
100
100
98
99
100
100
100
100
100
100
100
100
99
100
100

Low Clouds (% Sky Obscured)

78
44
76
91
88
92
90
87
78
73
93
88
79
78
71
81
97
92
86
93
55
72
84
100

Medium Clouds (% Sky Obscured)

92
100
100
100
96
91
90
91
81
94
93
96
97
99
100
100
100
100
100
100
100
97
99
100

High Clouds (% Sky Obscured)

31
100
100
100
94
83
79
84
85
90
100
69
79
100
100
100
100
100
100
100
100
86
65
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

13
1
6
29
44
60
50
34
16
14
36
30
34
52
73
76
77
84
71
66
58
35
49
76

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
7
8
9
11
11
12
14
15
16
16
16
16
15
16
16
17
17
18
17
15
14
13
13

Chance of Frost

Temperature (°C)

6
6
6
6
7
7
8
9
10
10
11
11
10
11
10
10
10
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
88
90
88
88
87
85
81
77
77
81
84
83
83
85
84
83
80
80
81
80
78
78

Pressure (mb)

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

Ozone (du)

309
307
304
305
310
315
316
316
320
323
325
326
327
326
326
329
328
328
330
334
335
336
333
329

Monday 23

Waxing Crescent 41%

08:53

01:42

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
02 Bad

Sun - Rise: 06:56, Set: 17:34, Transit: 12:15. Moon - Rise: 08:53, Set: 01:42. Civil Dark: 18:06 - 06:23. Nautical Dark: 18:44 - 05:45. Astro Dark: 19:21 - 05:08

Total Clouds (% Sky Obscured)

100
100
99
92
77
85
87
84
82
83
85
85
93
100
100
100
80
100
99
93
96
100
92
93

Low Clouds (% Sky Obscured)

77
85
87
74
58
69
71
32
21
47
65
60
9
32
38
45
37
26
77
63
57
53
56
66

Medium Clouds (% Sky Obscured)

100
100
96
68
4
25
49
4
9
39
66
65
84
99
100
71
55
86
98
81
89
99
80
75

High Clouds (% Sky Obscured)

100
96
70
70
41
3
4
80
75
75
70
70
65
70
70
70
45
70
75
80
85
87
85
78

ISS Passover

Visibility (miles)

8
2
3
5
9
8
9
9
9
9
8
9
9
9
8
8
9
9
9
9
9
9
7
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

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

Precipitation Probability (%)

95
95
95
86
50
29
34
33
38
58
71
45
45
56
49
47
38
49
43
32
38
70
80
95

Precipitation Amount (mm)

1.5
1.8
1
0.6
0
0
0
0
0
0
0.4
0
0
0.3
0.2
0
0
0
0
0
0
0
0.5
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
93
93
90
87
84
73
70
65
62
71
74
72
67
68
72
73
69
68
74
76
76
79
86

Pressure (mb)

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

Ozone (du)

337
346
356
352
354
362
370
367
368
367
368
367
363
358
359
361
357
355
359
365
366
362
363
362

Tuesday 24

First Quarter 52%

09:24

03:04

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

Sun - Rise: 06:54, Set: 17:35, Transit: 12:15. Moon - Rise: 09:24, Set: 03:04. Civil Dark: 18:08 - 06:21. Nautical Dark: 18:46 - 05:44. Astro Dark: 19:23 - 05:06

Total Clouds (% Sky Obscured)

96
92
100
95
80
69
57
41
68
95
95
93
96
66
53
85
95
86
90
90
51
47
43
39

Low Clouds (% Sky Obscured)

65
67
69
56
69
57
48
41
58
84
71
58
74
61
42
32
26
15
23
29
36
45
43
39

Medium Clouds (% Sky Obscured)

52
42
63
28
12
0
6
26
30
44
44
42
40
34
30
24
21
23
26
28
33
35
26
15

High Clouds (% Sky Obscured)

37
55
90
25
4
8
6
4
18
41
59
34
51
13
6
62
92
78
75
75
11
3
0
0

ISS Passover

Visibility (miles)

8
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 (%)

53
20
19
10
12
13
5
6
1
3
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
3
3
3
3
3
4
3
2
2
1
2
2
2
3
3
3
3
2
2
2
2
3
3

Relative Humidity (%)

90
85
86
86
86
86
82
70
63
58
57
58
58
59
68
73
74
76
78
79
80
82
85
86

Pressure (mb)

1016
1016
1017
1017
1018
1019
1019
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1024

Ozone (du)

363
366
369
372
371
370
371
369
371
369
366
363
359
357
357
355
353
352
350
349
350
349
348
347

Wednesday 25

Waxing Gibbous 64%

10:09

03:04

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

Sun - Rise: 06:52, Set: 17:37, Transit: 12:14. Moon - Rise: 10:09, Set: 03:04. Civil Dark: 18:10 - 06:19. Nautical Dark: 18:47 - 05:42. Astro Dark: 19:25 - 05:04

Total Clouds (% Sky Obscured)

38
55
49
95
90
85
80
78
72
65
19
15
12
9
9
6
5
3
0
6
13
18
22
26

Low Clouds (% Sky Obscured)

38
42
49
69
80
76
72
68
62
57
19
14
9
7
5
2
1
1
0
6
12
17
19
22

Medium Clouds (% Sky Obscured)

7
10
10
15
10
5
0
0
0
0
0
2
2
1
1
1
1
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

5
11
3
14
12
16
10
2
2
1
0
0
0
0
2
2
2
2
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
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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)

2
1
2
2
3
2
2
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
3
3
1
3
4
5
6
8
9
12
13
13
11
9
8
7
6
6
5
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

88
89
91
93
91
91
88
85
82
77
76
72
70
71
79
85
88
88
88
90
90
90
89
91

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

346
343
343
342
342
344
345
348
347
345
347
347
350
353
354
355
359
359
360
361
362
363
364
364

Thursday 26

Waxing Gibbous 75%

11:11

04:12

03 OK
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 Good
18 Good
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:50, Set: 17:39, Transit: 12:14. Moon - Rise: 11:11, Set: 04:12. Civil Dark: 18:11 - 06:17. Nautical Dark: 18:49 - 05:40. Astro Dark: 19:26 - 05:02

Total Clouds (% Sky Obscured)

32
46
59
63
69
66
62
58
51
58
96
51
90
50
12
3
49
62
70
66
61
56
66
75

Low Clouds (% Sky Obscured)

27
33
38
46
33
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
16
31
45
26
13
0
25
43
55
36
18
2
0
0
0
35
35
30
26
35
25
35
48

High Clouds (% Sky Obscured)

0
17
33
50
58
66
62
55
30
6
40
48
83
50
12
3
26
23
21
32
46
56
62
64

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
0
2
0

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)

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

Chance of Frost

Temperature (°C)

4
4
3
3
3
4
6
7
10
12
14
14
15
15
13
11
10
10
10
9
9
8
8
8

Feels Like (°C)

4
4
3
3
3
4
5
7
9
11
13
12
14
13
12
11
10
10
10
9
10
9
9
7

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
91
91
89
78
69
64
62
58
56
56
62
65
71
76
80
84
87
90
90
90
90

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

365
365
366
369
369
371
371
372
372
372
373
372
370
369
369
369
369
371
374
376
381
385
390
395

Friday 27

Waxing Gibbous 85%

12:28

05:04

03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
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: 06:48, Set: 17:40, Transit: 12:14. Moon - Rise: 12:28, Set: 05:04. Civil Dark: 18:13 - 06:15. Nautical Dark: 18:50 - 05:38. Astro Dark: 19:28 - 05:00

Total Clouds (% Sky Obscured)

80
64
45
30
35
40
45
45
50
50
55
45
40
35
30
30
30
35
45
60
74
84
84
84

Low Clouds (% Sky Obscured)

0
0
0
0
5
12
19
22
24
25
24
23
20
23
24
25
27
35
38
46
58
68
61
52

Medium Clouds (% Sky Obscured)

42
31
25
24
34
25
25
25
15
15
15
10
10
15
25
30
30
35
45
60
74
84
84
84

High Clouds (% Sky Obscured)

69
57
45
30
35
40
45
45
50
50
55
45
40
35
30
30
30
35
45
60
60
47
48
48

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

Precipitation Probability (%)

0
3
4
1
3
4
1
4
9
10
43
58
53
57
53
38
38
32
23
27
27
21
24
26

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
7
7
7
7
7
8
8
8
8
8
8
7
7
7
6
6
7
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

8
8
8
8
7
9
10
11
12
13
14
15
15
15
14
13
11
11
10
10
9
8
8
7

Feels Like (°C)

7
7
8
8
7
8
8
8
8
8
8
15
15
14
15
14
15
11
11
11
11
10
11
7

Dew Point (°C)

7
7
6
6
6
6
6
6
6
6
5
6
6
6
6
6
6
7
7
7
6
6
6
6

Relative Humidity (%)

91
90
90
91
91
85
80
74
67
61
55
54
54
53
58
63
70
75
78
84
84
87
88
88

Pressure (mb)

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

Ozone (du)

400
405
402
398
394
390
387
384
380
376
372
371
370
369
369
370
371
371
370
370
371
372
372
373

Saturday 28

Waxing Gibbous 92%

13:52

05:40

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 OK
22 OK
23 OK
00 Bad

Sun - Rise: 06:46, Set: 17:42, Transit: 12:14. Moon - Rise: 13:52, Set: 05:40. Civil Dark: 18:14 - 06:13. Nautical Dark: 18:52 - 05:36. Astro Dark: 19:30 - 04:58

Total Clouds (% Sky Obscured)

75
70
71
52
62
75
89
88
86
85
73
63
55
62
60
57
49
35
19
29
40
52

Low Clouds (% Sky Obscured)

40
42
42
44
37
34
28
23
17
14
18
21
27
29
32
34
26
15
3
7
12
18

Medium Clouds (% Sky Obscured)

75
70
71
52
59
55
51
54
58
64
43
25
0
9
19
25
15
6
0
3
5
7

High Clouds (% Sky Obscured)

45
54
57
52
60
39
15
37
58
82
73
63
55
62
33
0
0
0
0
4
9
13

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

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

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

Precipitation Probability (%)

26
28
30
32
28
27
23
22
20
12
9
3
0
0
0
0
0
0
0
0
0
0

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
7
5
5
6
6
6
6
11
11
10
11
11
11
7
7
7
6
6

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
91
91
85
82
77
72
66
62
62
60
60
65
73
80
79
81
81
82
83

Pressure (mb)

1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1022
1022
1022
1022
1022
1022
1021
1021

Ozone (du)

373
373
373
373
373
372
372
372
373
374
375
376
377
377
377
377
377
377
376
376
374
371

Forecast for Letňany, Praha 18, Czech Republic (50.14,14.52)

Generated: 22/02/26 03:05:16. Forecast: 22/02/26 to 28/02/26. Timezone: UTC+1.00