Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 25

Waxing Gibbous 100%

16:38

06:28

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

Sun - Rise: 07:22, Set: 17:24, Transit: 12:23. Moon - Rise: 16:38, Set: 06:28. Civil Dark: 17:58 - 06:48. Nautical Dark: 18:38 - 06:08. Astro Dark: 19:17 - 05:29

Total Clouds (% Sky Obscured)

100
100
46
27
31
63
76
93
71
93
60
50
67
68
54
61
36
18
29
52
26
37
45
58

Low Clouds (% Sky Obscured)

91
82
46
25
29
51
63
86
71
86
52
30
31
33
42
46
28
16
25
27
18
32
45
58

Medium Clouds (% Sky Obscured)

100
95
40
0
0
28
27
27
0
29
14
33
64
61
22
12
7
0
0
28
3
7
0
2

High Clouds (% Sky Obscured)

100
100
21
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

1
5
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
None
None
None
None
None
Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
26
6
5
16
36
54
38
30
27
34
44
55
57
42
1
1
2
6
0
2
4
2

Precipitation Amount (mm)

2.3
1.3
0
0
0
0
0
0.4
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

27
21
20
18
17
17
18
19
20
20
23
23
23
23
21
19
17
18
17
17
16
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
11
7
7
6
6
6
6
7
6
6
5
5
4
4
3
3
3
3
2
2
2
2

Relative Humidity (%)

95
90
84
76
76
74
73
71
71
70
65
63
62
63
63
64
61
58
59
60
58
59
60
59

Pressure (mb)

990
990
991
992
992
993
994
995
996
996
997
998
999
1000
1002
1003
1005
1006
1007
1008
1009
1010
1010
1011

Ozone (du)

279
282
287
289
291
292
293
296
299
304
307
312
312
312
318
323
324
325
315
306
301
298
297
296

Monday 26

Full Moon 99%

16:56

07:56

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: 07:24, Set: 17:22, Transit: 12:23. Moon - Rise: 16:56, Set: 07:56. Civil Dark: 17:57 - 06:49. Nautical Dark: 18:36 - 06:10. Astro Dark: 19:15 - 05:31

Total Clouds (% Sky Obscured)

81
100
100
100
100
100
100
100
96
98
98
97
99
100
100
100
100
100
98
96
98
89
86
82

Low Clouds (% Sky Obscured)

75
68
69
77
65
54
52
60
78
89
94
64
63
88
89
93
100
100
97
94
98
89
86
82

Medium Clouds (% Sky Obscured)

11
0
0
25
45
45
88
55
89
90
81
96
98
100
100
98
100
52
80
15
0
0
0
0

High Clouds (% Sky Obscured)

56
98
47
88
100
85
76
100
47
54
67
83
88
98
99
100
45
45
32
2
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
2
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
Very Light Rain
Light Rain
None
Very Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

6
4
2
2
9
0
0
0
2
2
1
1
10
39
70
70
48
51
51
1
0
1
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
2
1
1
2
3
3
4
5
6
7
7
7
6
6
8
8
8
9
9
9
10
10
10

Relative Humidity (%)

57
59
57
58
60
64
64
68
74
74
73
75
71
68
71
84
88
88
91
88
87
88
88
89

Pressure (mb)

1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

294
295
292
286
285
282
280
277
275
273
271
269
268
268
266
265
265
266
266
268
270
269
271
272

Tuesday 27

Waning Gibbous 95%

17:22

09:27

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 OK

Sun - Rise: 07:26, Set: 17:20, Transit: 12:23. Moon - Rise: 17:22, Set: 09:27. Civil Dark: 17:55 - 06:51. Nautical Dark: 18:34 - 06:11. Astro Dark: 19:13 - 05:32

Total Clouds (% Sky Obscured)

83
43
69
90
92
64
63
68
49
96
61
100
98
100
90
99
96
95
94
93
87
80
36
28

Low Clouds (% Sky Obscured)

83
36
64
86
82
62
45
35
29
56
31
56
62
81
67
71
66
74
78
45
35
30
26
26

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
10
14
15
54
70
75
76
70
25
25
24
15
18
11
6
0
0

High Clouds (% Sky Obscured)

0
0
9
37
35
2
20
57
24
50
25
100
97
100
59
98
89
76
63
50
45
45
7
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
4
42
72
70
52
30
24
26
24
36
33
26
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
14
15
16
16
15
16
18
17
20
18
17
18
16
15
13
12
12
12
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
93
95
90
90
92
89
83
75
71
67
67
69
75
89
89
87
86
80
83
85
85
85

Pressure (mb)

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

Ozone (du)

274
273
273
270
267
264
261
260
260
260
260
262
263
265
266
267
267
267
267
268
275
286
293
295

Wednesday 28

Waning Gibbous 95%

18:00

10:57

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

Sun - Rise: 07:28, Set: 17:18, Transit: 12:23. Moon - Rise: 18:00, Set: 10:57. Civil Dark: 17:53 - 06:53. Nautical Dark: 18:33 - 06:13. Astro Dark: 19:12 - 05:34

Total Clouds (% Sky Obscured)

28
32
36
38
40
42
48
50
43
41
37
47
60
70
61
54
60
63
54
52
46
41
37
46

Low Clouds (% Sky Obscured)

25
25
26
26
28
27
27
29
29
30
26
22
22
15
15
14
13
22
30
36
34
31
27
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
5
11
17
12
7
1
8
15
21
16
13
11
15
17
21
16
10
3
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
3
6
18
32
46
35
29
47
41
15
6
4
1
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 (%)

12
5
1
1
0
0
0
0
1
1
0
0
3
0
0
0
0
1
2
2
2
3
1
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
85
87
85
87
85
84
77
70
64
60
60
64
70
76
81
83
84
85
87
88
91
93

Pressure (mb)

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

Ozone (du)

297
298
301
307
308
307
306
306
304
301
298
296
294
291
289
285
284
284
282
281
281
280
278
275

Thursday 29

Waning Gibbous 88%

18:55

12:15

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

Sun - Rise: 07:30, Set: 17:16, Transit: 12:23. Moon - Rise: 18:55, Set: 12:15. Civil Dark: 17:51 - 06:54. Nautical Dark: 18:31 - 06:15. Astro Dark: 19:10 - 05:35

Total Clouds (% Sky Obscured)

56
68
70
78
83
78
80
80
68
63
49
45
38
31
28
28
35
46
55
65
70
76
78
79

Low Clouds (% Sky Obscured)

42
45
46
43
45
44
43
43
39
35
31
29
24
18
20
16
15
22
26
31
30
36
44
47

Medium Clouds (% Sky Obscured)

1
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
2
4
21
30
14
30
45
19
20
2
3
3
3
11
28
35
46
55
65
70
70
60
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
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 (%)

2
0
4
3
4
4
3
0
0
1
0
1
1
0
1
2
1
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)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
10
11
13
14
14
14
14
14
13
11
10
9
9
9
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
91
93
91
93
87
81
76
72
70
73
73
75
79
83
85
85
85
84
84
85
85

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1027
1027
1027

Ozone (du)

273
273
272
271
272
271
271
271
271
271
270
270
270
270
270
270
269
269
269
268
267
266
265
264

Friday 30

Waning Gibbous 79%

20:09

13:15

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: 17:14, Transit: 12:23. Moon - Rise: 20:09, Set: 13:15. Civil Dark: 17:49 - 06:56. Nautical Dark: 18:29 - 06:16. Astro Dark: 19:08 - 05:37

Total Clouds (% Sky Obscured)

81
84
86
87
90
87
84
82
79
73
69
73
79
82
87
92
98
95
90
86
76
68
64
75

Low Clouds (% Sky Obscured)

41
43
45
55
56
50
44
43
36
30
22
22
23
24
21
18
19
32
48
56
56
49
38
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
7
13
13
13
10
8
6
4
4
4
4
22

High Clouds (% Sky Obscured)

45
40
40
36
36
37
38
38
38
43
50
35
30
22
44
67
89
84
80
77
60
44
27
40

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
6
6
6
6
4
5
5
5
6
6
11
11
11
11
11
11
7
8
8
8
8
7

Dew Point (°C)

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

Relative Humidity (%)

84
82
82
81
81
82
78
77
74
69
67
63
66
69
74
77
81
87
87
88
88
90
91
91

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1028
1027
1027
1027
1027
1027
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

264
264
264
264
263
263
262
262
262
262
262
262
262
263
263
263
263
263
263
263
263
262
262
261

Saturday 31

Waning Gibbous 69%

21:35

13:56

Sun - Rise: 07:33, Set: 17:12, Transit: 12:23. Moon - Rise: 21:35, Set: 13:56. Civil Dark: 17:47 - 06:58. Nautical Dark: 18:27 - 06:18. Astro Dark: 19:07 - 05:39

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 Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 25/10/26 02:03:23. Forecast: 25/10/26 to 31/10/26. Timezone: UTC+2.00