Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 13

Waxing Crescent 13%

10:52

20:03

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
20 Bad
21 OK

Sun - Rise: 06:41, Set: 19:23, Transit: 13:02. Moon - Rise: 10:52, Set: 20:03. Civil Dark: 19:57 - 06:07. Nautical Dark: 20:37 - 05:27. Astro Dark: 21:20 - 04:44

Total Clouds (% Sky Obscured)

99
98
100
95
100
100
98
97
89
91
98
80
91
94
71
82
79
88
68
90
83
57
51
43

Low Clouds (% Sky Obscured)

96
85
91
92
72
62
85
70
64
85
96
73
87
88
56
68
51
69
68
86
76
53
39
31

Medium Clouds (% Sky Obscured)

12
0
4
4
0
0
0
5
6
12
15
14
8
11
11
20
21
16
24
30
21
1
0
0

High Clouds (% Sky Obscured)

55
98
57
82
100
100
90
81
58
12
2
0
0
0
0
0
0
0
0
1
0
0
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
1
4
0
0
0
1
4
12
17
25
22
29
21
17
7
15
5
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)

5
4
4
7
7
7
6
6
5
6
7
9
10
11
11
11
12
12
12
11
11
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
18
17
17
17
17
17
17
17
17
18
21
21
21
21
22
22
21
22
21
20
21
20

Dew Point (°C)

18
17
17
17
17
17
17
16
16
17
16
17
17
17
17
18
17
17
17
17
16
16
17
16

Relative Humidity (%)

96
95
96
95
96
95
96
93
96
98
92
89
84
80
80
78
69
71
71
74
74
77
85
88

Pressure (mb)

1022
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020

Ozone (du)

285
284
283
282
281
278
278
279
279
280
282
282
282
285
287
286
286
287
288
291
289
289
287
286

Monday 14

Waxing Crescent 21%

12:10

20:22

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 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 Bad
18 OK
19 Good
20 Good
21 Good

Sun - Rise: 06:42, Set: 19:21, Transit: 13:02. Moon - Rise: 12:10, Set: 20:22. Civil Dark: 19:54 - 06:09. Nautical Dark: 20:35 - 05:29. Astro Dark: 21:17 - 04:46

Total Clouds (% Sky Obscured)

45
41
48
65
79
100
99
98
97
92
83
73
59
32
60
46
49
50
42
50
27
0
0
0

Low Clouds (% Sky Obscured)

32
32
31
48
53
74
64
71
85
90
79
73
59
31
36
29
46
43
32
21
13
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
8
0
2
5
19
82
22
0
0
0
23
13
0
0
0
9
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
25
71
100
94
72
49
40
5
3
0
0
0
0
0
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
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
1
9
19
16
13
4
1
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
11
11
12
11
11
11
11
14
13
13
14
15
17
18
17
15
14
11
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
15
15
16
15
15
15
15
15
14
15
14
13
11
10
8
7
6
5
6
7
7
7
8

Relative Humidity (%)

89
90
92
96
96
95
93
95
95
92
92
87
79
64
59
49
47
44
42
46
51
56
64
71

Pressure (mb)

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

Ozone (du)

285
285
286
287
287
287
287
288
290
293
295
299
308
311
317
318
315
317
320
325
331
336
338
337

Tuesday 15

Waxing Crescent 30%

13:25

20:47

22 Good
23 OK
00 Bad
01 OK
02 Bad
03 OK
04 OK
05 OK
06 OK
07 Bad
08 OK
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

Sun - Rise: 06:44, Set: 19:19, Transit: 13:01. Moon - Rise: 13:25, Set: 20:47. Civil Dark: 19:52 - 06:11. Nautical Dark: 20:32 - 05:30. Astro Dark: 21:15 - 04:48

Total Clouds (% Sky Obscured)

17
34
42
42
49
43
29
27
33
45
37
45
50
75
61
72
87
72
85
94
100
99
100
100

Low Clouds (% Sky Obscured)

7
24
25
24
26
19
15
10
10
29
32
28
47
55
36
44
48
43
44
25
25
12
52
68

Medium Clouds (% Sky Obscured)

5
4
5
0
0
0
0
0
0
0
0
0
0
18
10
13
13
11
3
0
22
23
25
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
3
2
69
90
100
99
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
0
0
0
0
0
1
5
7
0
0
0
4
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
8
8
7
7
7
8
8
7
7
8
10
13
13
14
13
13
13
13
12
11
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
87
93
95
96
95
91
93
95
95
90
77
67
60
61
62
59
59
60
57
58
64
72
69

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

336
337
337
336
335
336
337
335
336
336
336
336
336
332
329
324
318
314
311
306
304
302
301
300

Wednesday 16

Waxing Crescent 39%

14:34

21:22

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
20 Bad
21 OK

Sun - Rise: 06:46, Set: 19:16, Transit: 13:01. Moon - Rise: 14:34, Set: 21:22. Civil Dark: 19:50 - 06:12. Nautical Dark: 20:30 - 05:32. Astro Dark: 21:12 - 04:50

Total Clouds (% Sky Obscured)

97
95
93
95
98
100
100
100
94
92
96
94
90
86
82
88
94
100
96
91
87
70
53
40

Low Clouds (% Sky Obscured)

22
12
16
48
95
61
85
46
75
76
95
94
90
49
26
35
37
31
34
33
30
20
8
4

Medium Clouds (% Sky Obscured)

96
73
93
73
98
71
99
27
33
46
86
93
23
86
80
61
24
98
84
91
87
70
53
40

High Clouds (% Sky Obscured)

79
57
32
57
77
100
100
100
90
62
54
39
42
41
44
69
84
100
83
67
2
0
0
6

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 (%)

7
10
4
4
4
1
7
8
8
21
32
41
36
29
11
11
6
2
2
2
13
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)

5
6
7
7
9
10
11
12
12
12
12
13
15
14
14
15
15
14
14
14
13
12
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
71
77
72
76
76
84
86
93
90
86
87
90
86
72
58
50
48
52
56
60
69
74
77

Pressure (mb)

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

Ozone (du)

298
298
298
300
301
301
299
300
302
302
300
301
304
305
308
308
308
309
309
308
308
309
311
314

Thursday 17

Waxing Crescent 49%

15:34

No Set

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

Sun - Rise: 06:47, Set: 19:14, Transit: 13:01. Moon - Rise: 15:34, Set: No Set. Civil Dark: 19:47 - 06:14. Nautical Dark: 20:27 - 05:34. Astro Dark: 21:09 - 04:52

Total Clouds (% Sky Obscured)

27
5
4
6
6
9
14
21
52
66
81
95
69
66
69
77
84
91
90
83
79
84
92
100

Low Clouds (% Sky Obscured)

4
3
3
4
3
2
7
10
15
18
26
33
25
19
20
33
46
59
50
41
28
19
28
30

Medium Clouds (% Sky Obscured)

27
5
4
0
0
0
0
0
0
1
3
95
8
5
6
14
17
20
21
17
19
24
26
32

High Clouds (% Sky Obscured)

4
0
0
1
3
6
7
10
52
56
52
49
19
27
33
48
66
74
55
37
22
49
74
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
7
10
12
25
34
41
38
35
19

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
8
7
6
6
6
5
6
7
8
10
12
13
15
14
14
14
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
86
88
85
87
91
93
93
95
95
85
77
71
59
54
50
53
56
58
64
70
76
80
84

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1011
1011
1011

Ozone (du)

315
314
306
303
303
304
305
304
301
298
297
296
294
294
294
294
295
296
297
296
296
295
294
292

Friday 18

First Quarter 59%

16:21

22:08

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
20 Bad
21 Bad

Sun - Rise: 06:49, Set: 19:12, Transit: 13:00. Moon - Rise: 16:21, Set: 22:08. Civil Dark: 19:45 - 06:15. Nautical Dark: 20:25 - 05:36. Astro Dark: 21:06 - 04:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

49
67
86
90
95
99
99
98
98
98
98
98
100
100
100
98
97
95
96
98
100
100
100
100

Medium Clouds (% Sky Obscured)

35
38
41
48
54
62
72
80
87
68
59
58
49
40
31
22
13
4
10
16
23
30
33
34

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
95
90
83
76
67
60
48
36
22
45
64
82

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 (%)

25
28
29
32
33
34
41
42
36
31
26
16
15
12
3
4
4
2
5
5
2
3
3
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)

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

Chance of Frost

Temperature (°C)

15
15
16
16
16
16
16
15
15
14
14
15
15
16
17
17
17
18
18
17
16
15
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
86
85
83
87
90
95
95
95
95
95
93
93
92
89
86
85
82
81
82
82
83
86
87

Pressure (mb)

1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1013
1013
1014
1014
1015
1015
1015
1016
1017
1017
1018
1019

Ozone (du)

291
289
288
287
284
281
278
277
276
275
275
275
276
275
275
274
274
274
274
275
276
277
279
281

Saturday 19

Waxing Gibbous 68%

16:57

23:07

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

Sun - Rise: 06:50, Set: 19:09, Transit: 13:00. Moon - Rise: 16:57, Set: 23:07. Civil Dark: 19:43 - 06:17. Nautical Dark: 20:22 - 05:37. Astro Dark: 21:04 - 04:56

Total Clouds (% Sky Obscured)

100
100
100
99
98
96
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
95
96
97
96
97
97
94
95
96
95
97
98
100
100
100
99
100
100
100

Medium Clouds (% Sky Obscured)

18
15
16
15
14
13
17
22
23
22
8
7
8
13
23
27
31
34
35
32
29

High Clouds (% Sky Obscured)

88
94
100
68
35
4
6
7
6
12
15
19
32
45
58
55
52
53
39
18
3

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

6
9
10
15
18
20
39
54
66
69
71
73
81
87
90
90
92
88
75
60
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.5
0.5
0.4
0.4
0.4
0.5
0.5
0.5
0.6
0.5
0.3
0.2
0

Wind Speed/Direction (mph)

10
9
9
8
8
8
7
6
5
4
5
6
6
7
8
9
9
12
16
14
12

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
14
14
14
14
13
13
13
14
14
15
15
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
93
93
93
96
96
95
96
96
95
93
92
90
87
84
82
78
75
76
78

Pressure (mb)

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

Ozone (du)

283
283
283
283
283
283
284
284
284
284
283
282
282
280
279
278
277
276
275
275
275

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 13/09/26 21:46:51. Forecast: 13/09/26 to 19/09/26. Timezone: UTC+1.00