Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 4

Waning Gibbous 91%

23:08

07:13

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 06:31, Set: 19:47, Transit: 13:09. Moon - Rise: 23:08, Set: 07:13. Civil Dark: 20:21 - 05:57. Nautical Dark: 21:01 - 05:15. Astro Dark: 21:46 - 04:30

Total Clouds (% Sky Obscured)

89
94
100
89
100
98
100
89
30
93
81
84
68
84
59
69
60
93
97
97
100
53
100
72

Low Clouds (% Sky Obscured)

75
94
90
58
53
76
79
64
30
60
65
71
57
63
58
62
59
66
51
22
0
0
0
0

Medium Clouds (% Sky Obscured)

58
49
54
48
39
49
61
37
1
67
63
30
2
1
0
0
0
73
15
0
0
0
0
0

High Clouds (% Sky Obscured)

35
45
10
83
74
93
72
74
30
88
67
42
22
81
39
18
30
24
96
34
99
53
100
72

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
9
38
6
0
1
5
2
1
18
25
41
40
37
38
42
32
27
17
1
2
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
22
23
25
25
23
21
18
15
9
9
12
16
18
18
17
17
17
18
17
16
15
13
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
2
2
0
-1
-0
1
1
3
2
1
1
2
3
3
3
4
3
3
4
2
3
1

Dew Point (°C)

8
8
8
5
3
4
3
3
3
4
3
4
5
5
4
4
5
3
3
3
2
2
2
1

Relative Humidity (%)

80
81
80
68
65
75
71
75
81
91
86
88
87
81
75
70
76
64
62
63
62
65
67
70

Pressure (mb)

1006
1005
1005
1005
1006
1007
1008
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1020
1021
1022
1023
1024
1024

Ozone (du)

367
368
368
373
374
377
378
380
377
377
382
384
383
386
387
385
385
383
388
386
383
382
378
374

Sunday 5

Waning Gibbous 85%

00:21

07:38

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

Sun - Rise: 06:29, Set: 19:49, Transit: 13:09. Moon - Rise: 00:21, Set: 07:38. Civil Dark: 20:23 - 05:55. Nautical Dark: 21:03 - 05:13. Astro Dark: 21:49 - 04:27

Total Clouds (% Sky Obscured)

25
0
0
0
11
22
61
39
98
26
0
1
2
15
46
59
78
91
53
84
33
2
2
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
9
46
59
47
42
42
29
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
40
0
0
1
2
4
4
2
33
44
7
36
5
2
2
0

High Clouds (% Sky Obscured)

25
0
0
0
11
22
61
39
95
26
0
1
2
11
14
15
9
21
5
8
29
2
2
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
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)

7
6
4
4
4
4
4
3
3
4
4
4
6
9
11
12
12
12
12
12
11
11
9
8

Chance of Frost

Temperature (°C)

5
5
4
4
3
3
2
2
2
1
1
3
6
7
9
10
11
12
12
12
12
11
10
8

Feels Like (°C)

2
1
1
0
0
-1
-1
-1
-2
-2
-3
-2
1
2
5
7
7
8
8
8
9
8
6
5

Dew Point (°C)

2
2
1
1
1
0
-1
-1
-1
-2
-2
-1
2
2
4
5
5
6
6
6
7
7
7
5

Relative Humidity (%)

80
82
82
83
85
83
83
83
83
81
81
79
76
70
69
68
67
66
67
67
70
75
78
81

Pressure (mb)

1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1024
1024

Ozone (du)

372
372
372
369
367
366
365
362
363
363
364
363
362
361
361
360
361
361
361
362
361
363
362
362

Monday 6

Waning Gibbous 77%

01:30

08:13

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

Sun - Rise: 06:27, Set: 19:50, Transit: 13:09. Moon - Rise: 01:30, Set: 08:13. Civil Dark: 20:25 - 05:52. Nautical Dark: 21:05 - 05:10. Astro Dark: 21:51 - 04:24

Total Clouds (% Sky Obscured)

45
0
0
0
0
0
2
0
0
0
5
3
3
6
5
10
51
100
100
45
100
66
68
74

Low 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

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
19
16
15

High Clouds (% Sky Obscured)

39
0
0
0
0
0
1
0
0
0
2
1
1
1
4
10
51
100
100
37
100
15
29
46

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
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
7
8
8
9
10
11
10
11
12
14
16
17
17
17
17
17
16
15
14
13
12

Chance of Frost

Temperature (°C)

7
7
6
6
6
6
6
6
5
5
5
6
8
10
13
15
16
17
18
18
17
17
15
14

Feels Like (°C)

4
4
4
4
4
3
3
3
2
2
2
2
4
7
8
11
13
14
13
13
13
12
11
10

Dew Point (°C)

4
3
3
3
3
3
2
2
2
2
2
3
4
6
8
9
10
11
11
12
12
12
11
10

Relative Humidity (%)

78
76
76
78
79
80
79
78
78
76
78
76
74
76
71
69
67
67
65
68
70
73
75
75

Pressure (mb)

1024
1024
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1019

Ozone (du)

361
359
358
356
352
353
353
352
350
350
349
348
348
347
346
343
342
342
343
344
344
345
345
344

Tuesday 7

Waning Gibbous 69%

02:29

09:00

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

Sun - Rise: 06:25, Set: 19:52, Transit: 13:08. Moon - Rise: 02:29, Set: 09:00. Civil Dark: 20:27 - 05:50. Nautical Dark: 21:07 - 05:08. Astro Dark: 21:53 - 04:21

Total Clouds (% Sky Obscured)

71
61
61
98
68
68
71
54
33
13
38
42
26
40
44
40
41
34
44
36
27
14
43
70

Low Clouds (% Sky Obscured)

0
0
0
1
0
0
0
2
3
5
5
4
3
2
1
0
12
24
38
27
13
0
9
18

Medium Clouds (% Sky Obscured)

53
21
19
21
26
25
27
21
11
2
6
9
13
12
6
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

51
57
61
98
68
68
64
45
25
4
10
4
0
7
12
22
18
9
5
10
22
14
43
69

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
3
0
1
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)

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

Chance of Frost

Temperature (°C)

13
12
12
11
11
11
10
10
10
10
10
11
13
15
17
18
19
20
20
20
19
18
16
13

Feels Like (°C)

9
9
10
10
9
10
9
9
9
9
9
9
11
14
15
16
17
18
20
19
18
16
14
11

Dew Point (°C)

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

Relative Humidity (%)

75
77
80
83
87
88
90
93
93
93
93
88
80
75
73
70
67
63
63
61
69
72
81
87

Pressure (mb)

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

Ozone (du)

342
341
341
340
339
339
339
339
339
339
340
341
341
341
342
343
344
345
345
345
345
346
348
348

Wednesday 8

Waning Gibbous 59%

03:16

09:59

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
20 Bad

Sun - Rise: 06:22, Set: 19:54, Transit: 13:08. Moon - Rise: 03:16, Set: 09:59. Civil Dark: 20:28 - 05:48. Nautical Dark: 21:09 - 05:05. Astro Dark: 21:56 - 04:18

Total Clouds (% Sky Obscured)

96
99
99
92
87
88
95
99
100
100
100
98
100
100
100
100
100
100
100
100
100
100
98
99

Low Clouds (% Sky Obscured)

27
17
9
0
15
29
46
52
58
58
41
20
0
10
21
31
39
46
51
49
45
41
27
14

Medium Clouds (% Sky Obscured)

0
6
19
29
30
25
17
12
6
0
23
43
65
44
20
0
0
0
0
1
3
5
4
3

High Clouds (% Sky Obscured)

96
99
98
91
86
87
89
91
100
100
100
82
99
100
100
100
98
96
92
85
78
75
75
78

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
3
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
7
7
7
7
8
8
8
8
9
9
10
11
11
12
12
12
11
12
10
9
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
84
84
84
84
84
85
85
85
82
81
74
71
67
66
64
63
64
64
70
75
81
84

Pressure (mb)

1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

349
350
349
350
352
354
356
357
357
359
360
362
363
362
363
364
366
365
363
362
361
360
358
356

Thursday 9

Waning Gibbous 50%

03:51

11:09

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
20 Bad

Sun - Rise: 06:20, Set: 19:55, Transit: 13:08. Moon - Rise: 03:51, Set: 11:09. Civil Dark: 20:30 - 05:45. Nautical Dark: 21:11 - 05:02. Astro Dark: 21:58 - 04:15

Total Clouds (% Sky Obscured)

97
92
89
84
89
94
98
100
100
97
93
89
85
78
70
70
61
75
74
73
81
79
85
85

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
29
57
79
85
85

Medium Clouds (% Sky Obscured)

1
2
4
10
12
13
16
14
15
16
6
3
0
3
8
12
13
16
22
18
18
18
14
13

High Clouds (% Sky Obscured)

82
85
77
68
76
86
96
95
94
93
93
89
85
78
70
70
61
75
74
73
81
68
65
61

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
2
5
17
22

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
3
2
1
3
3
3
4
5
5
6
8
10
12
13
14
15
15
15
15
13
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
90
91
93
91
90
90
88
88
88
82
77
72
66
61
56
58
59
61
66
72
77
80

Pressure (mb)

1027
1027
1026
1026
1026
1025
1024
1024
1023
1022
1021
1021
1020
1020
1019
1018
1017
1016
1016
1015
1015
1014
1014
1015

Ozone (du)

353
351
350
350
350
350
350
351
352
353
355
355
356
356
358
359
361
362
363
365
366
368
369
372

Friday 10

Third Quarter 39%

04:17

12:24

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

Sun - Rise: 06:18, Set: 19:57, Transit: 13:08. Moon - Rise: 04:17, Set: 12:24. Civil Dark: 20:32 - 05:43. Nautical Dark: 21:13 - 05:00. Astro Dark: 22:01 - 04:12

Total Clouds (% Sky Obscured)

90
73
50
28
20
13
5
5
5
5
23
40
58
60
63
68
79
90
100
88
77
65

Low Clouds (% Sky Obscured)

90
67
33
0
0
0
0
0
0
0
18
35
50
42
36
30
33
35
40
35
36
36

Medium Clouds (% Sky Obscured)

11
7
5
0
0
0
0
5
5
5
23
40
26
38
50
61
74
86
99
68
36
5

High Clouds (% Sky Obscured)

58
44
31
18
20
13
5
5
5
5
19
13
6
16
26
25
16
14
15
8
6
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

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 (%)

34
29
17
0
0
0
0
0
1
0
1
2
1
5
8
9
13
16
21
18
14
7

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)

8
8
7
6
6
5
4
4
3
3
3
6
8
11
12
12
14
14
15
15
14
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
4
3
2
2
2
1
1
2
3
4
6
8
8
7
7
6
6
6
5
5

Relative Humidity (%)

82
85
82
79
76
75
72
70
72
72
75
78
81
83
81
80
77
77
76
77
78
79

Pressure (mb)

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

Ozone (du)

374
376
376
376
377
376
375
373
372
371
370
372
373
374
375
375
376
377
378
379
378
376

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

Generated: 04/04/26 21:11:45. Forecast: 04/04/26 to 10/04/26. Timezone: UTC+1.00