Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 24%

11:58

20:07

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

Sun - Rise: 07:27, Set: 15:59, Transit: 11:43. Moon - Rise: 11:58, Set: 20:07. Civil Dark: 16:36 - 06:50. Nautical Dark: 17:17 - 06:09. Astro Dark: 17:56 - 05:30

Total Clouds (% Sky Obscured)

95
96
97
97
100
99
99
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

95
93
92
91
90
92
84
78
81
88
84
83
87
83
93
98
95
92
90
85
81
82
86
86

Medium Clouds (% Sky Obscured)

95
96
97
97
100
93
94
81
95
87
88
90
95
81
100
97
96
99
100
100
99
100
100
100

High Clouds (% Sky Obscured)

76
96
97
97
84
65
9
100
65
58
85
64
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
15
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
Snow
None
None
None
None
Snow
None
None
None
None
None
Snow
Snow
Snow
None
None
None
None
Snow
Snow

Precipitation Probability (%)

3
5
10
38
44
25
12
13
42
39
24
24
15
33
42
54
65
67
54
39
40
39
57
66

Precipitation Amount (mm)

0
0
0
0
0.1
0
0
0
0
0.1
0
0
0
0
0
0.2
0.3
0.2
0
0
0
0
0.1
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-3
-3
-2
-3
-3
-3
-2
-2
-2
-2
-2
-2
-3
-4
-4
-4
-3
-4
-4
-4
-4
-4

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
100
100
98
98
98
96
100
98
98
98
98
98
98
96
96
98
98
98
96
98
98

Pressure (mb)

1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1006
1006
1007
1007
1007
1007
1008
1008

Ozone (du)

289
294
293
293
294
295
296
296
297
297
296
296
295
295
294
297
299
298
298
297
299
303
302
305

Wednesday 26

Waxing Crescent 34%

12:20

21:23

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

Sun - Rise: 07:28, Set: 15:58, Transit: 11:43. Moon - Rise: 12:20, Set: 21:23. Civil Dark: 16:35 - 06:51. Nautical Dark: 17:16 - 06:10. Astro Dark: 17:55 - 05:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

86
88
92
91
90
93
99
99
99
99
96
95
95
96
90
85
88
92
84
91
82
77
77
73

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
89

High Clouds (% Sky Obscured)

100
99
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
58
50

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

61
58
62
66
68
65
68
81
89
95
95
95
95
95
95
94
88
89
87
81
69
58
44
32

Precipitation Amount (mm)

0.1
0
0
0.1
0.1
0
0
0.2
0.3
0.6
0.5
0.6
0.7
0.8
0.7
0.4
0.4
0.5
0.5
0.5
0.3
0.2
0.1
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
91
92
91
91
87
87
89
92
92
94
96
96
96
96
98
98
98
98
98
96
94

Pressure (mb)

1008
1008
1008
1008
1009
1009
1010
1010
1010
1011
1011
1011
1011
1012
1012
1013
1014
1014
1015
1015
1016
1017
1017
1018

Ozone (du)

307
305
303
301
301
303
304
303
305
307
306
304
304
303
302
303
305
307
308
309
310
312
314
315

Thursday 27

Waxing Crescent 44%

12:37

22:41

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

Sun - Rise: 07:30, Set: 15:57, Transit: 11:43. Moon - Rise: 12:37, Set: 22:41. Civil Dark: 16:35 - 06:52. Nautical Dark: 17:15 - 06:11. Astro Dark: 17:55 - 05:32

Total Clouds (% Sky Obscured)

97
88
87
75
86
76
78
59
61
66
68
83
83
90
70
65
72
94
94
95
95
96
96
96

Low Clouds (% Sky Obscured)

90
80
76
58
72
60
68
44
49
56
59
79
83
88
70
65
72
93
93
93
94
95
96
96

Medium Clouds (% Sky Obscured)

54
17
29
33
28
32
20
23
9
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

53
61
58
63
70
70
66
13
23
4
4
4
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
52
65
67
67
67
67
67
67
67

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 (%)

29
21
21
22
9
9
9
8
17
6
14
2
0
0
1
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
4
4
3
2
2
1
2
2
3
3
3
2
1
1
1
1
1
1
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
96
98
98
96
94
91
92
91
91
92
94
94
96
96
98
96
94
94
92
94
94

Pressure (mb)

1018
1019
1019
1020
1021
1022
1023
1023
1024
1024
1024
1024
1025
1025
1026
1026
1027
1027
1027
1028
1028
1028
1028
1027

Ozone (du)

317
318
320
320
319
320
321
320
320
320
319
319
317
314
313
310
308
307
307
307
308
308
307
305

Friday 28

First Quarter 55%

12:51

23:59

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

Sun - Rise: 07:31, Set: 15:56, Transit: 11:44. Moon - Rise: 12:51, Set: 23:59. Civil Dark: 16:34 - 06:54. Nautical Dark: 17:15 - 06:13. Astro Dark: 17:54 - 05:33

Total Clouds (% Sky Obscured)

96
94
93
94
93
92
92
92
92
93
95
96
97
97
98
99
100
98
96
95
96
97
98
99

Low Clouds (% Sky Obscured)

95
94
93
92
91
89
87
84
77
73
73
73
70
69
67
68
65
64
68
64
73
84
92
94

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
7
7
32
30
18
20
30
38
50
51
55
58
60
62
64
67

High Clouds (% Sky Obscured)

5
7
18
34
51
51
40
50
43
42
47
60
70
83
87
93
100
85
71
56
56
55
55
65

ISS Passover

Visibility (miles)

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

Fog (%)

67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
94
91
92
94
91
89
86
87
86
87
87
91
96
96
96
98
98
96
96
98
98
98
98

Pressure (mb)

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

Ozone (du)

303
300
298
296
295
295
295
295
297
297
297
297
297
298
298
297
297
298
299
299
300
301
300
300

Saturday 29

Waxing Gibbous 66%

13:05

01:19

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

Sun - Rise: 07:32, Set: 15:56, Transit: 11:44. Moon - Rise: 13:05, Set: 01:19. Civil Dark: 16:33 - 06:55. Nautical Dark: 17:14 - 06:14. Astro Dark: 17:54 - 05:35

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
99
98
97
95
92
88
86
81
78
73
73
73
70
65
60
52
44

Low Clouds (% Sky Obscured)

98
97
97
98
96
96
84
72
69
65
60
54
48
45
32
18
2
7
11
15
11
7
2
2

Medium Clouds (% Sky Obscured)

71
74
80
91
94
95
84
83
79
75
66
57
47
38
40
39
38
31
19
7
7
6
7
6

High Clouds (% Sky Obscured)

78
87
90
92
96
74
49
25
28
36
38
41
40
34
31
24
22
14
11
3
2
1
0
11

ISS Passover

Visibility (miles)

3
5
5
5
4
4
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
96
98
98
96
94
87
84
84
84
89
91
96
94
94
94
94
94
94
92
94
92

Pressure (mb)

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

Ozone (du)

301
302
302
302
302
303
304
305
306
306
306
306
306
305
305
302
300
297
295
292
289
288
286
285

Sunday 30

Waxing Gibbous 76%

13:18

No Set

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

Sun - Rise: 07:34, Set: 15:55, Transit: 11:44. Moon - Rise: 13:18, Set: No Set. Civil Dark: 16:33 - 06:56. Nautical Dark: 17:14 - 06:15. Astro Dark: 17:53 - 05:36

Total Clouds (% Sky Obscured)

41
37
32
31
29
27
24
22
29
33
41
41
53
57
63
64
60
60
54
49
44
39
34
34

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

5
3
9
9
12
17
8
5
8
9
13
20
19
23
21
23
25
20
24
28
29
17
3
2

High Clouds (% Sky Obscured)

17
16
13
8
6
3
3
2
2
3
3
4
0
0
0
0
0
4
17
25
31
39
34
34

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 (%)

67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67

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
2
2
2
2
1
1
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
90
90
90
87
84
79
79
78
77
79
84
91
90
90
90
90
90
92
90
92
92

Pressure (mb)

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

Ozone (du)

285
285
285
285
286
286
286
286
287
287
288
289
291
292
294
295
296
296
297
298
298
299
300
301

Monday 1

Waxing Gibbous 86%

13:33

02:43

Sun - Rise: 07:35, Set: 15:54, Transit: 11:45. Moon - Rise: 13:33, Set: 02:43. Civil Dark: 16:32 - 06:57. Nautical Dark: 17:14 - 06:16. Astro Dark: 17:53 - 05:37

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Maršov u Úpice, Trutnov District, Czech Republic (50.48,15.98)

Generated: 25/11/25 02:56:41. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+1.00