Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 31

Waxing Gibbous 72%

15:32

01:43

20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
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

Sun - Rise: 07:35, Set: 17:10, Transit: 12:23. Moon - Rise: 15:32, Set: 01:43. Civil Dark: 17:45 - 07:00. Nautical Dark: 18:25 - 06:20. Astro Dark: 19:05 - 05:41

Total Clouds (% Sky Obscured)

92
70
56
48
41
32
100
100
100
100
100
100
100
100
100
100
100
100
73
38
47
45
36
35

Low Clouds (% Sky Obscured)

16
21
23
21
20
12
14
24
11
14
56
68
49
76
85
73
73
31
39
34
34
40
35
26

Medium Clouds (% Sky Obscured)

46
39
24
29
26
16
10
5
68
57
100
100
100
100
100
100
100
100
73
38
0
9
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
95
97
100
100
100
100
100
100
100
100
100
100
10
8
10
6
4
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
2
5
2
2
7
7
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
2
8
0
3
35
95
95
95
95
95
95
95
29
7
0
2
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
1.6
1.8
1
2.3
1.3
2.5
0.5
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
86
86
86
87
87
86
81
80
77
81
92
95
95
95
95
87
90
90
89
90
93
93

Pressure (mb)

1008
1008
1009
1008
1008
1008
1008
1007
1006
1006
1005
1005
1005
1005
1004
1004
1004
1005
1006
1006
1007
1007
1008
1009

Ozone (du)

279
277
278
278
278
278
276
277
277
277
278
278
279
279
280
280
281
280
281
284
287
289
292
296

Saturday 1

Waxing Gibbous 81%

15:44

03:07

20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
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

Sun - Rise: 07:37, Set: 17:08, Transit: 12:23. Moon - Rise: 15:44, Set: 03:07. Civil Dark: 17:44 - 07:02. Nautical Dark: 18:24 - 06:21. Astro Dark: 19:03 - 05:42

Total Clouds (% Sky Obscured)

29
26
43
51
37
61
77
76
84
78
100
100
100
100
71
53
64
99
100
100
100
92
92
58

Low Clouds (% Sky Obscured)

29
26
41
45
36
37
35
67
73
66
69
62
60
55
49
41
58
54
53
55
82
86
81
58

Medium Clouds (% Sky Obscured)

0
0
3
26
4
29
40
14
17
6
68
87
97
100
54
53
1
88
99
100
100
87
86
8

High Clouds (% Sky Obscured)

0
0
2
0
1
55
0
0
4
18
100
98
100
47
5
5
11
98
100
100
90
31
0
0

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

1
1
4
5
3
25
14
21
8
3
5
12
6
24
36
37
29
41
41
66
79
77
63
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
10
10
9
9
8
8
8
9

Relative Humidity (%)

95
95
96
93
95
96
96
95
96
95
91
93
95
95
91
90
90
84
83
81
81
85
91
93

Pressure (mb)

1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1009
1008
1008
1008
1007
1007
1007
1008
1008
1009
1010

Ozone (du)

299
300
304
307
307
307
307
307
308
307
307
304
305
307
311
316
317
319
319
316
313
310
309
313

Sunday 2

Waxing Gibbous 90%

15:56

04:34

20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 OK
02 Good
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

Sun - Rise: 07:39, Set: 17:06, Transit: 12:23. Moon - Rise: 15:56, Set: 04:34. Civil Dark: 17:42 - 07:03. Nautical Dark: 18:22 - 06:23. Astro Dark: 19:01 - 05:44

Total Clouds (% Sky Obscured)

60
57
61
29
37
43
15
68
99
90
100
100
100
100
100
100
99
98
96
96
97
98
98
96

Low Clouds (% Sky Obscured)

60
55
61
29
31
38
4
0
12
34
52
61
75
72
63
89
78
71
65
59
67
75
82
80

Medium Clouds (% Sky Obscured)

0
0
0
0
0
5
8
53
70
61
62
74
73
74
100
48
48
47
48
63
87
51
46
39

High Clouds (% Sky Obscured)

0
0
0
0
9
0
3
5
99
90
98
25
100
100
100
27
85
70
59
48
61
65
43
87

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

Precipitation Probability (%)

3
1
1
0
0
0
0
0
0
0
4
28
51
56
44
69
53
23
18
12
10
7
5
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0.5
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
84
77
77
82
85
87
88
90
91
88
90
88
88
84
80
78
76
75
73
73
75
75
75

Pressure (mb)

1010
1011
1012
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016

Ozone (du)

316
308
299
295
292
290
288
286
284
283
281
281
281
280
278
276
276
274
273
272
272
271
271
271

Monday 3

Waxing Gibbous 96%

16:11

06:05

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
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

Sun - Rise: 07:41, Set: 17:04, Transit: 12:23. Moon - Rise: 16:11, Set: 06:05. Civil Dark: 17:40 - 07:05. Nautical Dark: 18:21 - 06:25. Astro Dark: 19:00 - 05:45

Total Clouds (% Sky Obscured)

93
82
64
70
87
83
85
81
88
91
99
97
94
95
92
95
100
85
73
86
89
74
76
99

Low Clouds (% Sky Obscured)

76
69
60
63
70
75
76
73
77
81
86
80
75
70
64
59
53
36
17
0
0
0
0
0

Medium Clouds (% Sky Obscured)

37
44
32
36
40
32
19
9
6
3
0
16
32
48
56
61
60
61
57
49
51
53
55
52

High Clouds (% Sky Obscured)

88
12
15
25
54
34
29
20
45
72
99
73
45
18
45
73
100
69
36
10
40
66
76
99

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 (%)

3
1
2
2
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
79
80
81
81
83
80
83
87
87
87
87
87
81
77
75
71
70
69
70
72
74
73

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1014
1014

Ozone (du)

270
269
269
268
269
270
267
267
267
267
267
267
266
266
265
265
266
267
268
268
268
269
270
268

Tuesday 4

Waxing Gibbous 99%

16:30

07:41

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

Sun - Rise: 07:43, Set: 17:03, Transit: 12:23. Moon - Rise: 16:30, Set: 07:41. Civil Dark: 17:39 - 07:07. Nautical Dark: 18:19 - 06:26. Astro Dark: 18:58 - 05:47

Total Clouds (% Sky Obscured)

100
100
91
80
70
79
89
100
100
100
100
74
76
76
64
52
39
58
78
96
91
86
80
83

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
21
34
45
48
47
46
42

Medium Clouds (% Sky Obscured)

48
46
50
66
67
76
88
100
100
100
80
72
76
76
64
52
39
58
78
89
87
86
80
83

High Clouds (% Sky Obscured)

100
100
78
57
35
27
19
16
41
70
100
9
19
23
22
21
20
41
64
83
85
78
59
52

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
1
0
1
5
12
23
26
31
39

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
75
76
81
82
78
75
76
77
78
81
81
80
78
75
73
72
71
73
75
76
79
79
81

Pressure (mb)

1014
1014
1014
1013
1013
1012
1012
1012
1011
1011
1011
1010
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

268
268
270
271
272
272
271
272
274
276
276
277
278
280
281
280
279
278
278
279
279
280
281
282

Wednesday 5

Full Moon 100%

16:57

09:20

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
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

Sun - Rise: 07:45, Set: 17:01, Transit: 12:23. Moon - Rise: 16:57, Set: 09:20. Civil Dark: 17:37 - 07:08. Nautical Dark: 18:18 - 06:28. Astro Dark: 18:57 - 05:48

Total Clouds (% Sky Obscured)

88
93
78
65
51
63
81
84
78
72
61
53
49
40
30
30
25
44
64
82
69
56
43
54

Low Clouds (% Sky Obscured)

29
35
45
55
51
63
70
75
78
72
61
53
49
40
30
30
25
44
45
22
13
6
2
2

Medium Clouds (% Sky Obscured)

88
92
78
65
51
63
76
78
59
41
24
21
17
14
18
20
24
26
34
42
43
42
40
38

High Clouds (% Sky Obscured)

46
31
26
25
25
35
30
15
4
3
2
2
2
2
3
3
3
25
46
66
46
27
7
21

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
6
7
8
8
7
6
4
5
5
6
7
8
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
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

34
26
34
30
5
23
35
46
51
47
43
36
29
24
40
48
53
47
38
26
18
13
5
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
81
80
80
79
81
86
89
86
83
78
78
78
78
77
77
77
75
73
72
72
71
71

Pressure (mb)

1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1012
1012
1012

Ozone (du)

283
284
286
285
284
283
285
287
289
292
296
299
310
321
332
333
334
335
331
328
325
322
320
318

Thursday 6

Waning Gibbous 97%

17:39

10:53

20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK

Sun - Rise: 07:46, Set: 16:59, Transit: 12:23. Moon - Rise: 17:39, Set: 10:53. Civil Dark: 17:36 - 07:10. Nautical Dark: 18:16 - 06:29. Astro Dark: 18:56 - 05:50

Total Clouds (% Sky Obscured)

64
78
57
36
19
46
72
100
100
100
100
100
100
100
74
48
23

Low Clouds (% Sky Obscured)

3
1
2
3
7
12
9
10
10
10
5
5
5
5
5
5
10

Medium Clouds (% Sky Obscured)

31
33
22
11
0
5
9
13
17
25
34
37
41
45
49
48
23

High Clouds (% Sky Obscured)

34
44
28
12
3
35
68
100
100
100
100
100
100
100
74
48
23

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

4
5
10
16
21
28
26
7
4
1
0
0
1
3
6
4
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
77
80
80
80
78
79
77
77
76
76
76
76
75
76
75
74

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

309
300
292
284
277
270
268
266
264
263
263
262
263
264
264
265
266

Forecast for Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 31/10/25 20:19:18. Forecast: 31/10/25 to 06/11/25. Timezone: UTC+1.00