Clear Outside v1.0 - International Weather Forecasts For Astronomers

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 OK
22 OK
23 Bad
00 Bad
01 Bad

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)

96
83
77
69
94
100
100
96
100
100
100
100
100
100
100
100
83
95
45
33
32
42
42
45

Low Clouds (% Sky Obscured)

53
50
55
69
91
88
91
91
42
46
60
69
89
100
53
40
56
77
38
26
25
36
39
39

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
41
50
67
84
92
91
79
100
40
40
6
0
0
0
0
0

High Clouds (% Sky Obscured)

0
2
2
2
50
50
100
79
100
100
100
100
100
97
59
38
37
81
1
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
1
6
2
10
0
0
0
3
12
84
95
74
43
66
27
6
1
2
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.9
1.8
0.3
0
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
14
14
16
15
16
16
17
17
17
18
16
14
13
10
8
8
8
7
8
7
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
87
93
95
90
87
87
86
84
81
77
74
74
78
86
87
92
95
89
87
88
88
88
90

Pressure (mb)

1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1012
1012
1012
1013
1014
1015
1015
1016
1017
1018
1019
1020
1020

Ozone (du)

270
270
269
269
268
267
264
261
261
260
260
258
260
263
270
273
267
268
275
288
294
299
302
303

Wednesday 28

Waning Gibbous 95%

18:00

10:57

02 OK
03 OK
04 OK
05 Bad
06 Bad
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

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)

37
34
37
43
39
37
37
38
35
76
67
80
85
75
71
88
60
57
62
76
75
78
64
75

Low Clouds (% Sky Obscured)

34
32
34
38
36
33
30
33
23
48
24
29
40
37
23
40
45
39
39
67
75
78
63
75

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
32
38
54
56
41
50
56
50
49
32
20
3
8
5
2

High Clouds (% Sky Obscured)

0
0
1
3
0
0
0
0
0
2
2
23
2
42
16
74
59
57
54
11
2
0
1
2

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 (%)

1
0
1
0
0
0
0
0
0
1
0
0
2
0
3
1
4
18
13
3
1
0
1
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
7
7
7
7
9
10
12
12
12
10
10
8
8
8
8
8
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
88
87
90
87
81
73
64
60
61
67
71
79
86
87
90
90
88
86
87
88

Pressure (mb)

1021
1022
1022
1023
1023
1024
1025
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028

Ozone (du)

304
306
308
309
312
310
306
308
308
306
306
303
300
297
295
294
295
295
294
293
289
285
281
278

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 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: 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)

69
80
81
81
84
85
78
81
79
78
70
68
72
71
58
41
42
41
45
45
45
44
55
49

Low Clouds (% Sky Obscured)

69
80
81
81
84
85
78
81
67
38
37
23
35
35
39
41
42
41
37
37
32
31
31
31

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
30
5
29
17
19
16
1
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
45
3
40
45
40
45
45
45
50
36
45
45
42
2
2
2
17
33
45
40
25
26
17

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
1
0
0
0
0
0
1
1
0
0
0
0
0
0
12
11
5
3
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
84
84
84
85
85
83
79
76
72
70
69
70
78
83
87
88
88
88
88
90
90
90

Pressure (mb)

1028
1028
1028
1028
1028
1028
1029
1029
1029
1030
1030
1030
1029
1029
1029
1029
1029
1029
1030
1030
1030
1029
1029
1029

Ozone (du)

274
271
267
265
266
266
265
265
265
265
264
264
262
263
262
261
260
260
260
260
260
259
259
260

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)

75
78
84
92
99
97
94
90
68
70
77
85
67
66
74
76
83
89
94
100
89
80
74
74

Low Clouds (% Sky Obscured)

31
28
34
39
45
43
41
44
48
57
56
50
47
44
50
57
61
69
77
80
72
65
53
56

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
3
3
5
3
3
3
4

High Clouds (% Sky Obscured)

43
46
36
36
40
35
35
38
7
4
12
42
23
36
51
54
68
67
67
68
46
28
16
12

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
4
4
4
4
4
4
4
5
5
5
5
6
5
6
5
5
4
5
5
6
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
84
84
84
84
82
79
73
67
63
60
59
63
70
78
81
81
81
80
79
81
82
84

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

260
261
261
260
260
260
259
259
259
259
258
258
258
258
258
258
259
259
260
260
259
260
260
259

Saturday 31

Waning Gibbous 69%

21:35

13:56

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: 07:33, 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)

78
84
88
88
88
93
95
91
86
88
81
85
84
83
84
78
67
63
62
62
63
63
73
75

Low Clouds (% Sky Obscured)

54
48
51
50
53
53
54
55
53
50
48
52
51
50
62
58
62
63
60
59
49
50
56
54

Medium Clouds (% Sky Obscured)

4
5
4
4
3
8
14
20
20
18
18
18
19
17
17
19
20
25
24
25
23
21
16
18

High Clouds (% Sky Obscured)

21
40
41
9
5
4
4
3
4
4
2
2
3
2
3
4
5
7
10
16
18
27
38
37

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
88
87
88
88
85
81
74
69
66
63
65
67
71
73
77
81
82
81
81
81
82
81

Pressure (mb)

1031
1030
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1031

Ozone (du)

259
259
259
258
259
259
260
260
261
261
261
261
262
262
262
262
262
261
262
262
262
263
264
264

Sunday 1

Third Quarter 57%

23:03

14:24

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: 07:35, Set: 17:10, Transit: 12:23. Moon - Rise: 23:03, Set: 14:24. Civil Dark: 17:46 - 06:59. Nautical Dark: 18:26 - 06:19. Astro Dark: 19:05 - 05:40

Total Clouds (% Sky Obscured)

74
72
81
90
97
97
97
97
93
91
89
91
86
70
65
60
41
31
31
30
40
47
52
61

Low Clouds (% Sky Obscured)

45
43
46
54
56
64
74
84
68
50
25
28
32
35
35
36
41
31
31
30
40
47
52
61

Medium Clouds (% Sky Obscured)

17
18
37
60
86
72
57
43
35
23
15
12
14
20
19
18
13
11
9
7
5
2
0
0

High Clouds (% Sky Obscured)

23
9
33
56
79
64
50
35
34
38
42
42
40
40
28
15
4
3
1
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
1
3
2
11
11
3
3
3
1
9
8
6
23
33
41
35
34
31
29
23
6
14

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
85
87
85
87
85
85
85
76
70
63
66
69
72
75
78
82
82
82
81
76
70
64

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032
1033
1033
1033
1033
1034
1034
1034
1035
1035
1036
1036
1036
1036

Ozone (du)

265
265
265
265
266
266
269
272
275
276
277
278
279
281
282
282
282
282
281
281
281
282
283
285

Monday 2

Waning Crescent 46%

00:29

14:43

Sun - Rise: 07:37, Set: 17:08, Transit: 12:23. Moon - Rise: 00:29, Set: 14:43. Civil Dark: 17:44 - 07:01. Nautical Dark: 18:24 - 06:21. Astro Dark: 19:03 - 05:42

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: 27/10/26 02:40:07. Forecast: 27/10/26 to 02/11/26. Timezone: UTC+1.00