Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 8

Waning Crescent 4%

04:34

19:14

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

Sun - Rise: 07:05, Set: 20:10, Transit: 13:36. Moon - Rise: 04:34, Set: 19:14. Civil Dark: 20:45 - 06:30. Nautical Dark: 21:27 - 05:48. Astro Dark: 22:12 - 05:03

Total Clouds (% Sky Obscured)

100
100
100
97
91
39
14
14
35
24
23
33
41
43
60
85
64
77
93
72
88
61
53
45

Low Clouds (% Sky Obscured)

88
92
91
74
85
24
14
9
29
24
23
30
34
43
60
67
56
53
82
66
77
54
45
36

Medium Clouds (% Sky Obscured)

100
56
93
13
12
14
0
3
5
0
0
0
0
0
0
24
9
37
27
20
23
16
14
6

High Clouds (% Sky Obscured)

100
34
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
3
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
15
12
3
7
8
8
4
4
7
14
10
23
34
50
59
71
75
70
68
47
36

Precipitation Amount (mm)

1.1
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.4
0
0

Wind Speed/Direction (mph)

7
12
9
8
7
8
6
6
8
8
8
8
9
9
10
11
15
17
19
17
17
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
93
95
93
92
93
92
90
89
89
87
87
87
82
78
74
78
82
77
77
72
70

Pressure (mb)

1005
1004
1004
1005
1006
1006
1007
1007
1008
1008
1008
1008
1009
1009
1009
1010
1010
1011
1011
1012
1012
1013
1014
1014

Ozone (du)

299
302
305
314
319
321
323
324
327
327
329
331
335
338
346
354
353
350
352
348
343
339
337
337

Wednesday 9

Waning Crescent 1%

06:01

19:30

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 OK
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

Sun - Rise: 07:06, Set: 20:08, Transit: 13:36. Moon - Rise: 06:01, Set: 19:30. Civil Dark: 20:42 - 06:32. Nautical Dark: 21:24 - 05:50. Astro Dark: 22:09 - 05:06

Total Clouds (% Sky Obscured)

40
45
73
59
60
60
64
51
31
35
41
51
56
73
61
73
74
93
95
80
100
99
92
100

Low Clouds (% Sky Obscured)

33
35
64
56
50
54
62
50
31
32
32
34
31
67
61
73
74
84
80
80
24
37
63
62

Medium Clouds (% Sky Obscured)

3
7
7
0
1
0
0
0
0
0
0
7
12
6
0
8
13
25
22
16
24
18
14
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
20
19
100
89
43
100

ISS Passover

Visibility (miles)

8
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 (%)

29
13
5
11
8
11
3
8
1
1
2
5
6
4
0
1
1
3
4
3
3
1
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)

15
13
9
7
6
6
5
5
5
5
5
4
4
4
4
5
7
8
9
9
9
9
9
8

Chance of Frost

Temperature (°C)

17
16
15
14
14
13
12
12
11
11
11
11
11
11
11
13
15
16
17
17
18
19
19
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
74
73
74
74
77
76
79
81
83
84
85
85
80
77
76
71
62
57
52
44
44
51

Pressure (mb)

1015
1015
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1019
1019
1018
1018

Ozone (du)

338
338
335
335
336
338
337
334
331
328
329
328
327
326
324
322
319
316
315
315
315
316
316
315

Thursday 10

Waning Crescent 0%

07:25

19:43

18 Bad
19 Bad
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

Sun - Rise: 07:08, Set: 20:05, Transit: 13:36. Moon - Rise: 07:25, Set: 19:43. Civil Dark: 20:40 - 06:34. Nautical Dark: 21:21 - 05:52. Astro Dark: 22:06 - 05:08

Total Clouds (% Sky Obscured)

100
81
54
97
98
100
100
100
100
100
100
97
100
93
97
87
94
90
93
99
76
87
71
55

Low Clouds (% Sky Obscured)

0
0
0
0
13
0
0
0
21
23
40
52
28
15
90
80
68
85
88
89
55
78
59
43

Medium Clouds (% Sky Obscured)

11
11
1
2
9
4
10
10
67
100
100
97
94
93
81
29
37
39
45
60
60
67
43
26

High Clouds (% Sky Obscured)

100
76
54
97
98
100
100
100
100
100
85
31
80
0
0
0
0
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
7
3
7
6

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
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
13
25
8
2
5
6
14
26
28
26
39
59
47
40
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
16
14
13
13
13
12
12
12
13
13
13
13
13
14
15
17
17
18
18
19
19
19

Feels Like (°C)

16
17
16
15
12
11
11
11
10
11
11
10
10
11
11
11
13
14
15
16
17
19
19
19

Dew Point (°C)

9
10
10
9
9
8
8
8
8
8
8
8
8
10
9
9
11
14
14
15
14
14
15
15

Relative Humidity (%)

52
59
65
69
72
72
74
76
76
77
75
71
74
83
79
74
75
83
83
85
79
75
77
76

Pressure (mb)

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

Ozone (du)

316
316
313
310
308
310
311
313
315
316
314
315
317
318
323
321
319
319
318
316
314
316
318
318

Friday 11

New Moon 2%

08:46

19:55

18 Bad
19 Bad
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 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:09, Set: 20:03, Transit: 13:35. Moon - Rise: 08:46, Set: 19:55. Civil Dark: 20:37 - 06:35. Nautical Dark: 21:19 - 05:54. Astro Dark: 22:03 - 05:10

Total Clouds (% Sky Obscured)

69
71
75
77
78
84
64
64
55
54
48
47
56
49
30
39
74
66
90
98
99
99
100
99

Low Clouds (% Sky Obscured)

35
26
30
32
33
31
26
22
31
39
44
35
24
15
14
14
13
21
34
75
87
83
69
29

Medium Clouds (% Sky Obscured)

11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
66
62
80
32

High Clouds (% Sky Obscured)

32
55
55
55
55
67
46
59
40
20
0
6
27
28
13
23
64
53
75
87
89
70
86
97

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 (%)

14
3
4
5
1
2
1
0
0
0
0
0
0
0
0
0
0
0
1
2
1
0
0
1

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

Chance of Frost

Temperature (°C)

19
18
16
16
15
14
14
14
13
13
12
12
12
12
12
14
16
18
19
20
21
21
21
22

Feels Like (°C)

19
17
15
15
14
13
13
14
15
15
14
13
12
11
11
15
17
16
18
18
19
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

75
77
85
90
92
90
90
90
90
90
90
90
90
92
92
84
75
69
59
55
51
51
47
47

Pressure (mb)

1019
1019
1020
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022

Ozone (du)

318
317
317
317
315
314
312
311
312
312
312
311
304
300
297
295
295
294
293
293
293
294
294
295

Saturday 12

Waxing Crescent 7%

10:06

20:06

18 Bad
19 Bad
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

Sun - Rise: 07:11, Set: 20:01, Transit: 13:35. Moon - Rise: 10:06, Set: 20:06. Civil Dark: 20:35 - 06:37. Nautical Dark: 21:16 - 05:56. Astro Dark: 22:00 - 05:12

Total Clouds (% Sky Obscured)

98
77
91
88
65
85
97
98
97
95
93
95
98
100
100
100
100
96
92
90
83
77
71
57

Low Clouds (% Sky Obscured)

18
8
6
38
6
25
26
20
25
30
35
34
41
45
53
54
50
49
43
38
34
29
26
25

Medium Clouds (% Sky Obscured)

25
5
4
4
3
0
0
0
5
60
76
8
62
82
95
95
95
88
82
75
59
44
28
19

High Clouds (% Sky Obscured)

95
70
86
60
65
75
89
98
93
88
84
89
94
100
100
100
100
86
72
63
59
55
56
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
2
3
3
4
4
4
4
6
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

1
0
0
0
0
0
3
0
2
17
21
13
65
95
95
95
95
95
81
57
60
54
33
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
1.8
1.4
1.3
1.6
1
0.5
0
0.3
0.2
0
0

Wind Speed/Direction (mph)

7
5
3
4
4
5
6
6
7
7
7
7
8
8
8
6
7
7
8
9
11
11
11
11

Chance of Frost

Temperature (°C)

21
19
17
16
16
14
14
14
14
14
14
13
14
14
14
14
16
17
18
19
20
21
21
21

Feels Like (°C)

19
18
17
15
14
14
13
12
12
12
12
12
12
12
12
13
14
15
16
16
16
21
20
20

Dew Point (°C)

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

Relative Humidity (%)

50
60
70
74
73
83
76
73
74
76
82
83
83
93
96
98
98
98
93
89
85
77
70
66

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020

Ozone (du)

295
297
297
298
298
299
299
298
297
297
298
301
300
298
297
298
299
300
301
303
304
306
308
309

Sunday 13

Waxing Crescent 13%

11:25

20:18

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

Sun - Rise: 07:13, Set: 19:58, Transit: 13:34. Moon - Rise: 11:25, Set: 20:18. Civil Dark: 20:33 - 06:39. Nautical Dark: 21:14 - 05:58. Astro Dark: 21:57 - 05:14

Total Clouds (% Sky Obscured)

42
31
27
27
28
27
30
30
46
62
78
82
85
90
75
59
42
34
27
21
21
20
18
13

Low Clouds (% Sky Obscured)

23
23
14
8
0
0
0
0
4
9
12
13
12
13
11
9
6
6
7
7
9
10
11
7

Medium Clouds (% Sky Obscured)

9
0
0
0
2
3
3
7
7
10
12
15
15
15
16
14
10
9
7
7
5
5
3
2

High Clouds (% Sky Obscured)

25
5
7
11
17
13
9
5
26
44
59
61
62
67
57
43
29
21
12
4
3
3
3
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 (%)

19
5
9
9
0
0
1
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)

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

Chance of Frost

Temperature (°C)

20
19
17
17
16
15
15
14
14
14
14
14
14
14
14
16
17
19
20
22
23
23
24
24

Feels Like (°C)

20
20
21
17
17
17
18
17
17
16
16
16
15
15
15
15
15
16
17
18
18
26
26
25

Dew Point (°C)

15
15
16
15
15
14
14
14
13
13
13
13
13
13
13
14
14
15
15
14
14
14
14
14

Relative Humidity (%)

72
80
90
92
95
96
95
96
95
95
95
95
95
95
93
87
81
76
69
63
57
56
54
52

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1024
1023
1023
1023
1022
1022
1021

Ozone (du)

308
307
305
302
299
297
296
295
294
292
290
288
286
284
283
281
280
279
277
276
275
274
274
273

Monday 14

Waxing Crescent 21%

12:43

20:33

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

Sun - Rise: 07:14, Set: 19:56, Transit: 13:34. Moon - Rise: 12:43, Set: 20:33. Civil Dark: 20:30 - 06:40. Nautical Dark: 21:11 - 06:00. Astro Dark: 21:55 - 05:16

Total Clouds (% Sky Obscured)

9
4
4
4
4
4
4
4
3
3
3
2
1
0
0
0
1
12
24
35

Low Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
16
24

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
6
8

High Clouds (% Sky Obscured)

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

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
0
0
0
0
0
0
0
0
0
0
0
0
5
2
0

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)

6
4
3
2
2
2
3
4
5
5
5
5
6
6
6
7
8
10
10
11

Chance of Frost

Temperature (°C)

23
22
20
19
17
16
16
15
15
15
15
15
15
15
15
17
20
22
23
23

Feels Like (°C)

26
26
26
20
20
19
20
19
19
18
17
16
16
16
16
18
18
19
19
20

Dew Point (°C)

15
15
15
15
14
13
13
12
12
12
12
12
12
12
12
13
13
14
14
14

Relative Humidity (%)

58
65
74
76
79
81
81
82
82
83
84
84
84
83
82
74
66
59
57
56

Pressure (mb)

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

Ozone (du)

273
272
272
273
273
274
273
272
272
272
271
271
271
271
271
271
271
271
271
272

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

Generated: 08/09/26 18:38:32. Forecast: 08/09/26 to 14/09/26. Timezone: UTC+2.00