Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 8

Waning Crescent 10%

No Rise

18:38

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 OK
16 OK
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 06:29, Set: 19:35, Transit: 13:02. Moon - Rise: No Rise, Set: 18:38. Civil Dark: 20:09 - 05:55. Nautical Dark: 20:51 - 05:14. Astro Dark: 21:35 - 04:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
92
59
49
21
23
39
12
1
16
4
0
10
0
7
4

Low Clouds (% Sky Obscured)

82
78
80
74
73
87
92
59
53
29
40
35
21
9
39
0
0
0
0
0
10
0
7
4

Medium Clouds (% Sky Obscured)

100
100
100
100
100
99
94
100
100
92
59
12
0
6
11
3
0
7
2
0
0
0
0
0

High Clouds (% Sky Obscured)

99
100
41
100
100
100
100
100
100
40
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
6
5
7
9
3
7
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

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

Precipitation Probability (%)

95
95
95
86
89
83
82
95
92
32
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0.4
0.4
0.5
0.5
0.4
0.3
1.7
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
13
13
13
13
13
12
9
6
5
5
6
8
8
8
8
9
8
8
8

Relative Humidity (%)

86
86
89
90
92
93
93
92
90
86
78
56
44
38
40
46
57
64
70
75
79
80
83
83

Pressure (mb)

1012
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1008
1009
1009
1010
1011
1012
1012
1013
1013
1013

Ozone (du)

295
294
294
294
296
299
301
306
310
318
334
349
333
334
336
338
341
343
344
343
344
346
345
342

Wednesday 9

Waning Crescent 4%

04:02

18:55

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

Sun - Rise: 06:31, Set: 19:33, Transit: 13:02. Moon - Rise: 04:02, Set: 18:55. Civil Dark: 20:07 - 05:57. Nautical Dark: 20:48 - 05:15. Astro Dark: 21:32 - 04:31

Total Clouds (% Sky Obscured)

9
4
8
11
9
27
46
62
74
60
40
40
36
38
50
43
48
41
33
58
74
100
100
100

Low Clouds (% Sky Obscured)

8
4
8
9
7
25
46
56
70
60
30
34
30
38
50
43
45
39
27
46
30
19
20
16

Medium Clouds (% Sky Obscured)

0
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
67
100
100
100

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
1
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)

8
8
8
8
7
8
10
12
11
11
10
9
8
8
8
8
7
4
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

10
10
10
10
10
11
13
15
16
17
18
19
19
19
19
18
17
15
14
13
12
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
88
90
88
77
62
57
61
50
43
38
37
37
38
43
53
56
62
69
72
75
76
76

Pressure (mb)

1014
1014
1015
1016
1016
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1019
1019

Ozone (du)

340
338
337
336
336
335
335
335
335
332
335
335
332
329
330
327
325
320
318
316
315
313
311
310

Thursday 10

Waning Crescent 1%

05:29

19:08

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
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 Bad
01 Bad
02 Bad

Sun - Rise: 06:32, Set: 19:30, Transit: 13:01. Moon - Rise: 05:29, Set: 19:08. Civil Dark: 20:04 - 05:58. Nautical Dark: 20:46 - 05:17. Astro Dark: 21:30 - 04:33

Total Clouds (% Sky Obscured)

100
100
100
96
100
96
79
75
61
29
48
59
96
100
100
99
96
100
100
100
100
100
96
93

Low Clouds (% Sky Obscured)

12
13
10
0
0
14
18
28
28
20
33
35
49
80
36
43
33
82
100
100
100
88
89
92

Medium Clouds (% Sky Obscured)

0
0
14
9
5
12
54
68
54
4
5
20
42
49
36
41
38
100
100
100
100
100
89
66

High Clouds (% Sky Obscured)

100
100
100
89
98
35
25
16
1
1
2
1
34
42
100
52
94
98
100
100
100
50
18
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
9
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
11
54
95
95
95
69
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
1.9
1.4
0.4
0.4

Wind Speed/Direction (mph)

2
2
2
2
2
3
5
7
8
9
10
11
11
12
13
11
11
11
11
11
11
11
12
11

Chance of Frost

Temperature (°C)

10
10
10
10
10
11
13
15
17
19
20
21
21
21
18
18
18
17
16
16
16
16
16
16

Feels Like (°C)

9
9
8
8
8
9
12
13
14
15
17
18
18
16
14
14
14
14
14
14
14
14
13
13

Dew Point (°C)

6
6
6
7
6
7
7
7
6
6
6
6
6
6
6
8
9
11
11
12
14
15
15
15

Relative Humidity (%)

77
78
80
81
80
75
68
59
47
42
40
38
38
39
43
50
58
68
68
75
92
92
93
93

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014
1014

Ozone (du)

309
308
307
305
307
312
315
318
318
313
309
305
302
301
299
300
301
301
308
313
311
311
317
318

Friday 11

New Moon 0%

06:52

19:21

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 OK
01 OK
02 Bad

Sun - Rise: 06:34, Set: 19:28, Transit: 13:01. Moon - Rise: 06:52, Set: 19:21. Civil Dark: 20:02 - 06:00. Nautical Dark: 20:43 - 05:19. Astro Dark: 21:27 - 04:35

Total Clouds (% Sky Obscured)

89
79
72
66
69
69
70
66
62
59
75
84
99
100
97
98
83
63
50
57
65
46
43
56

Low Clouds (% Sky Obscured)

89
79
72
66
69
69
70
66
62
59
75
71
68
67
60
69
67
62
44
38
36
35
42
46

Medium Clouds (% Sky Obscured)

6
3
2
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)

0
0
0
0
0
0
0
0
1
0
27
53
75
70
70
65
46
25
27
41
43
18
6
26

ISS Passover

Visibility (miles)

9
9
9
9
9
8
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

Very Light Rain
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 (%)

53
28
20
7
9
12
9
13
14
15
5
2
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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)

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

Chance of Frost

Temperature (°C)

16
16
15
15
14
15
16
17
18
19
20
20
21
21
20
20
19
17
16
15
13
13
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
93
95
89
83
81
72
67
62
58
52
55
58
56
61
62
61
63
69
71
73
76

Pressure (mb)

1014
1014
1015
1015
1016
1017
1018
1019
1019
1020
1020
1020
1021
1021
1021
1022
1022
1023
1024
1024
1025
1025
1025
1025

Ozone (du)

319
318
318
317
316
316
314
312
310
309
309
311
313
312
311
311
313
312
310
307
305
304
302
302

Saturday 12

Waxing Crescent 2%

08:13

19:32

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
02 Bad

Sun - Rise: 06:35, Set: 19:26, Transit: 13:01. Moon - Rise: 08:13, Set: 19:32. Civil Dark: 20:00 - 06:02. Nautical Dark: 20:40 - 05:21. Astro Dark: 21:24 - 04:37

Total Clouds (% Sky Obscured)

81
82
86
87
85
83
76
72
75
93
84
77
69
69
68
66
67
67
68
80
90
100
100
100

Low Clouds (% Sky Obscured)

49
56
59
62
47
41
29
20
9
4
6
7
9
11
24
11
34
47
59
58
64
84
94
95

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
8
8
7
10
10
12
7
66
67
67
68
80
88
86
69
53

High Clouds (% Sky Obscured)

68
56
52
60
64
63
56
54
60
88
64
38
10
5
5
10
35
39
48
71
85
100
89
78

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
35
54
73
71
66
55
45
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
1
1
0
1
2
4
5
7
10
11
12
13
13
13
12
11
9
8
7
7
8
9
9

Chance of Frost

Temperature (°C)

11
10
10
10
10
12
14
16
18
19
20
21
21
21
21
20
19
18
16
15
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
6
7
7
8
8
9
9
8
8
8
8
10
11
12
13
15
14
14
13
14

Relative Humidity (%)

77
77
78
78
77
72
63
57
52
50
46
43
41
41
43
51
59
68
81
95
93
93
92
93

Pressure (mb)

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

Ozone (du)

301
300
299
297
297
295
294
293
292
292
293
293
294
294
294
297
298
299
300
301
305
308
312
309

Sunday 13

Waxing Crescent 7%

09:32

19:45

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
02 Bad

Sun - Rise: 06:37, Set: 19:24, Transit: 13:00. Moon - Rise: 09:32, Set: 19:45. Civil Dark: 19:57 - 06:03. Nautical Dark: 20:38 - 05:23. Astro Dark: 21:21 - 04:40

Total Clouds (% Sky Obscured)

100
95
89
83
78
69
58
70
82
95
95
94
93
92
93
96
91
88
84
82
74
69
67
60

Low Clouds (% Sky Obscured)

96
90
84
78
52
27
1
8
15
22
46
70
93
91
88
83
68
57
48
40
32
20
23
30

Medium Clouds (% Sky Obscured)

42
34
23
11
15
14
9
5
5
5
5
5
5
7
6
4
4
5
5
5
4
7
7
5

High Clouds (% Sky Obscured)

72
51
27
0
5
11
21
32
48
58
60
53
46
50
65
84
87
87
81
81
74
69
51
35

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 (%)

24
23
23
23
19
17
17
15
9
3
4
1
0
2
3
2
5
4
2
5
4
4
7
6

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
16
17
18
19
19
20
21
22
22
21
21
20
19
18
18
17
17
17
16

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
14
14
13
13
13
12
12
12
13
13
14
14
14
14
14
14
13
13
13
13

Relative Humidity (%)

95
95
95
95
95
86
79
72
68
62
59
58
57
57
61
64
68
71
73
78
78
78
81
83

Pressure (mb)

1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

306
303
301
300
298
296
294
292
290
288
287
285
283
281
281
280
279
278
277
277
276
276
276
276

Monday 14

Waxing Crescent 13%

10:50

20:00

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

Sun - Rise: 06:39, Set: 19:21, Transit: 13:00. Moon - Rise: 10:50, Set: 20:00. Civil Dark: 19:55 - 06:05. Nautical Dark: 20:35 - 05:25. Astro Dark: 21:18 - 04:42

Total Clouds (% Sky Obscured)

54
59
66
73
82
89
96
97
99
100
100
100
99
87
73
54
66
77
91
76
60
48

Low Clouds (% Sky Obscured)

33
51
51
52
60
67
76
73
75
74
76
85
87
66
42
17
16
15
13
12
10
9

Medium Clouds (% Sky Obscured)

2
6
12
17
13
11
7
9
11
14
18
19
20
20
17
13
14
13
12
8
4
0

High Clouds (% Sky Obscured)

18
18
19
21
35
51
64
71
83
90
90
85
85
60
30
0
31
60
90
61
30
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

Fog (%)

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

Precipitation Probability (%)

4
4
3
1
6
10
17
28
33
34
34
34
28
20
18
16
15
14
14
20
18
11

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
16
17
18
19
20
21
21
22
22
23
23
22
22
21
20
19
18
18
17

Feels Like (°C)

17
17
16
16
15
17
19
19
18
18
17
23
22
21
21
22
23
21
21
21
20
19

Dew Point (°C)

14
14
15
15
15
16
17
17
17
17
17
16
15
15
16
16
16
17
17
17
17
16

Relative Humidity (%)

86
89
90
90
90
88
86
84
80
76
73
68
63
60
65
69
75
81
88
93
93
95

Pressure (mb)

1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1017
1017

Ozone (du)

276
275
277
278
280
280
280
281
280
280
279
280
281
282
283
285
286
284
282
281
280
278

Forecast for Culham, Oxfordshire, United Kingdom (51.66,-1.27)

Generated: 08/09/26 03:34:01. Forecast: 08/09/26 to 14/09/26. Timezone: UTC+1.00