Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 2

Waning Crescent 46%

23:54

13:59

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
03 Bad
04 Bad

Sun - Rise: 06:54, Set: 16:36, Transit: 11:45. Moon - Rise: 23:54, Set: 13:59. Civil Dark: 17:10 - 06:20. Nautical Dark: 17:49 - 05:41. Astro Dark: 18:26 - 05:04

Total Clouds (% Sky Obscured)

84
80
75
61
67
72
69
82
85
91
89
93
100
97
100
100
100
100
100
100
100
95
91
100

Low Clouds (% Sky Obscured)

76
78
73
61
67
72
69
82
85
89
87
91
100
96
100
100
100
100
100
100
100
95
90
100

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
2
2
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
9
9
9
9

Fog (%)

0
0
1
1
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
7
6
0
0
0
0
0
2
3
4
10
11
9
6
5
4
8
6
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
86
75
67
62
57
55
54
54
56
62
65
65
65
66
62
64
64
65
67
67
67

Pressure (mb)

1030
1030
1030
1031
1031
1031
1030
1030
1029
1029
1029
1028
1029
1029
1029
1029
1029
1030
1029
1029
1029
1029
1029
1029

Ozone (du)

315
317
318
318
318
319
321
323
324
324
324
323
322
321
320
320
320
320
319
317
316
316
314
313

Tuesday 3

Waning Crescent 35%

01:14

14:16

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 OK
22 Bad
23 OK
00 OK
01 OK
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:56, Set: 16:34, Transit: 11:45. Moon - Rise: 01:14, Set: 14:16. Civil Dark: 17:09 - 06:21. Nautical Dark: 17:47 - 05:43. Astro Dark: 18:25 - 05:05

Total Clouds (% Sky Obscured)

87
100
98
100
93
82
88
96
88
84
80
80
81
75
76
52
45
49
36
43
44
57
58
57

Low Clouds (% Sky Obscured)

85
100
97
100
90
77
85
95
85
78
75
73
72
63
59
41
45
49
36
43
44
57
58
57

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
14
38
41
18
3
3
3
3
3
3
3
3

High Clouds (% Sky Obscured)

2
2
2
2
3
2
2
2
4
4
3
28
45
45
50
5
2
2
2
2
2
2
3
3

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
1
4
0
0
0
0
1
1
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
67
66
65
61
57
51
51
50
54
55
62
66
71
76
82
83
83
85
85
85
86
88

Pressure (mb)

1029
1029
1029
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

312
312
312
312
313
312
313
312
312
311
310
310
311
312
313
314
314
314
312
310
308
304
299
294

Wednesday 4

Waning Crescent 25%

02:31

14:31

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

Sun - Rise: 06:57, Set: 16:33, Transit: 11:45. Moon - Rise: 02:31, Set: 14:31. Civil Dark: 17:07 - 06:23. Nautical Dark: 17:46 - 05:44. Astro Dark: 18:23 - 05:07

Total Clouds (% Sky Obscured)

62
66
59
43
46
34
25
27
39
41
31
27
9
13
13
3
22
24
21
24
19
15
14
17

Low Clouds (% Sky Obscured)

62
66
59
43
46
34
25
27
39
41
31
27
5
7
9
1
22
24
21
24
19
14
8
13

Medium Clouds (% Sky Obscured)

2
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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)

3
3
2
2
4
7
9
9
10
10
10
10
9
9
9
8
7
7
6
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
3
4
3
3
5
5
6
5
5
3
2
1
1
1
1
1
1
0
0
1
0

Dew Point (°C)

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

Relative Humidity (%)

88
89
88
86
76
64
55
53
53
53
54
60
63
65
68
72
77
82
86
89
89
91
91
93

Pressure (mb)

1031
1031
1031
1032
1032
1032
1032
1031
1031
1030
1030
1030
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032

Ozone (du)

290
289
289
291
295
296
299
301
302
303
304
304
303
301
300
298
295
292
290
290
290
289
288
288

Thursday 5

Waning Crescent 16%

03:47

14:44

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

Sun - Rise: 06:59, Set: 16:31, Transit: 11:45. Moon - Rise: 03:47, Set: 14:44. Civil Dark: 17:06 - 06:24. Nautical Dark: 17:44 - 05:46. Astro Dark: 18:22 - 05:08

Total Clouds (% Sky Obscured)

23
24
23
24
19
20
22
21
17
13
9
9
8
7
5
3
1
3
5
8
22
35
46
45

Low Clouds (% Sky Obscured)

16
20
21
18
16
16
16
13
10
7
5
4
2
0
0
0
0
3
5
8
22
35
46
45

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

5
3
4
6
2
2
3
2
2
1
1
3
5
7
5
3
0
0
0
1
0
0
0
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
0
-1
1
1
2
3
4
6
6
6
6
5
4
3
3
3
2
1
1
1
0
0
0

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
88
76
67
60
56
54
52
53
59
63
64
65
68
72
75
77
82
81
81
81
83

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

288
288
287
285
283
280
278
277
275
274
272
270
269
270
269
268
267
267
267
266
265
264
263
262

Friday 6

Waning Crescent 9%

05:02

14:58

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

Sun - Rise: 07:01, Set: 16:30, Transit: 11:45. Moon - Rise: 05:02, Set: 14:58. Civil Dark: 17:04 - 06:26. Nautical Dark: 17:43 - 05:47. Astro Dark: 18:21 - 05:10

Total Clouds (% Sky Obscured)

48
48
44
45
45
43
37
36
24
13
0
1
2
3
1
2
3
5
8
11
17
23
29
30

Low Clouds (% Sky Obscured)

48
48
44
45
45
43
37
36
24
13
0
1
2
3
1
2
3
5
8
11
17
23
29
30

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

2
3
2
0
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
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)

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

Chance of Frost

Temperature (°C)

0
-1
-1
-1
1
2
3
4
6
6
7
6
5
4
4
4
4
3
3
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
83
78
66
56
49
44
43
41
44
51
56
58
61
64
69
73
77
80
84
84
86
86

Pressure (mb)

1030
1030
1030
1030
1031
1031
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028

Ozone (du)

261
260
260
259
258
257
257
257
257
258
258
259
260
261
260
260
260
260
261
261
261
262
262
263

Saturday 7

Waning Crescent 4%

05:02

15:13

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

Sun - Rise: 07:02, Set: 16:28, Transit: 11:45. Moon - Rise: 05:02, Set: 15:13. Civil Dark: 17:03 - 06:28. Nautical Dark: 17:41 - 05:49. Astro Dark: 18:19 - 05:11

Total Clouds (% Sky Obscured)

34
35
26
30
30
35
39
39
39
43
43
42
41
44
44
43
43
42
41
40
50
61
74
79

Low Clouds (% Sky Obscured)

30
22
17
13
13
13
17
18
17
22
21
25
25
32
36
35
43
38
33
28
22
19
20
21

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
13
17
18

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
88
80
75
68
66
63
61
63
64
67
70
74
76
80
82
83
85
86
86
88
89
88

Pressure (mb)

1027
1027
1027
1027
1027
1027
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1022

Ozone (du)

265
266
268
269
270
271
271
271
271
271
271
271
271
271
270
270
270
269
272
274
277
277
276
276

Sunday 8

Waning Crescent 1%

06:17

15:31

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

Sun - Rise: 07:04, Set: 16:26, Transit: 11:45. Moon - Rise: 06:17, Set: 15:31. Civil Dark: 17:01 - 06:29. Nautical Dark: 17:40 - 05:50. Astro Dark: 18:18 - 05:12

Total Clouds (% Sky Obscured)

85
91
90
89
85
78
72
66
71
76
82
88
94
100
99
97
92
94
95
96

Low Clouds (% Sky Obscured)

25
38
33
33
33
30
24
19
26
39
55
68
74
76
71
68
66
65
64
71

Medium Clouds (% Sky Obscured)

31
41
42
44
45
37
29
27
26
26
26
29
37
50
52
50
41
39
37
34

High Clouds (% Sky Obscured)

17
15
15
15
25
20
12
0
5
9
14
20
24
25
20
30
35
20
35
45

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 (%)

0
0
0
0
0
1
1
1
9
13
13
25
30
31
28
22
6
9
10
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
1
0
0
1
1
1
1
7
6
6
5
5
5
3
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

89
88
89
82
76
71
65
60
54
56
60
62
66
70
75
76
79
82
80
80

Pressure (mb)

1022
1022
1022
1022
1022
1022
1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

276
276
276
278
281
284
285
287
289
292
295
298
299
299
300
299
298
297
298
300

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

Generated: 02/11/26 05:25:52. Forecast: 02/11/26 to 08/11/26. Timezone: UTC+1.00