Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 7

Waning Gibbous 69%

02:29

08:13

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

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

Total Clouds (% Sky Obscured)

0
0
0
3
2
30
12
38
100
100
25
76
14
95
3
3
3
9
11
16
13
4
1
2

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)

0
0
0
0
2
22
10
30
22
0
0
0
0
0
0
0
0
0
7
10
8
2
0
1

High Clouds (% Sky Obscured)

0
0
0
3
2
7
6
19
100
100
25
36
10
48
3
3
3
9
7
16
13
4
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 (%)

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
6
9
13
14
15
15
15
15
15
14
13
12
11
11
9
7
6
5
5
4
3
2

Chance of Frost

Temperature (°C)

5
6
7
9
11
14
16
18
19
19
19
19
18
17
14
13
13
12
12
12
11
11
10
10

Feels Like (°C)

4
4
5
7
8
10
13
15
15
16
16
15
16
15
13
12
11
11
10
11
9
9
10
9

Dew Point (°C)

3
3
3
5
6
7
9
10
11
13
13
13
13
13
11
10
9
9
10
9
9
9
8
8

Relative Humidity (%)

83
82
77
73
68
64
62
61
61
64
68
70
73
77
80
82
80
83
84
84
86
87
88
90

Pressure (mb)

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

Ozone (du)

357
357
356
356
354
350
347
346
344
344
346
347
347
348
348
349
350
351
351
351
350
349
348
349

Wednesday 8

Waning Gibbous 66%

03:16

09:00

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

Sun - Rise: 06:25, Set: 19:52, Transit: 13:08. Moon - Rise: 03:16, Set: 09:00. Civil Dark: 20:27 - 05:48. Nautical Dark: 21:09 - 05:05. Astro Dark: 21:56 - 04:18

Total Clouds (% Sky Obscured)

0
0
1
0
0
4
8
71
6
21
4
3
3
0
0
0
0
0
0
8
60
84
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
20
0
21
4
0
0
0
0
0
0
0
0
8
58
81
97
67

Medium Clouds (% Sky Obscured)

0
0
1
0
0
2
4
2
6
2
0
2
2
0
0
0
0
0
0
2
0
2
3
9

High Clouds (% Sky Obscured)

0
0
1
0
0
4
8
63
6
13
4
3
3
0
0
0
0
0
0
1
13
55
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
1

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
1
1
7
15
7
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)

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

Chance of Frost

Temperature (°C)

10
9
10
13
16
17
19
20
20
21
21
21
20
19
17
15
14
13
12
11
11
10
10
10

Feels Like (°C)

9
9
12
14
16
19
19
20
21
21
22
21
21
19
17
16
15
14
12
12
11
10
9
8

Dew Point (°C)

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

Relative Humidity (%)

90
90
87
83
80
79
76
74
74
70
69
71
80
88
89
89
87
89
87
88
88
88
90
91

Pressure (mb)

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

Ozone (du)

350
348
347
347
345
343
343
345
347
347
347
347
347
348
351
352
353
353
353
351
351
351
352
352

Thursday 9

Waning Gibbous 59%

03:51

09:59

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

Sun - Rise: 06:22, Set: 19:54, Transit: 13:08. Moon - Rise: 03:51, Set: 09:59. Civil Dark: 20:28 - 05:45. Nautical Dark: 21:11 - 05:02. Astro Dark: 21:58 - 04:15

Total Clouds (% Sky Obscured)

100
99
100
100
90
100
100
98
77
78
86
82
75
62
45
40
25
27
51
63
78
93
85
79

Low Clouds (% Sky Obscured)

84
84
77
57
27
88
96
72
60
46
69
35
33
9
2
2
3
2
0
0
0
0
1
1

Medium Clouds (% Sky Obscured)

39
41
29
98
86
89
37
22
77
58
0
0
4
0
3
3
25
27
51
36
76
64
69
79

High Clouds (% Sky Obscured)

100
33
100
100
15
97
15
15
15
15
15
20
15
15
15
15
15
12
45
56
69
80
57
32

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 (%)

17
81
100
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
3
2
2
5
18
23
17
19
8
0
0
0
0
1
1
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)

6
7
8
10
11
12
16
16
18
18
18
17
19
16
9
7
7
7
7
6
5
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
8
8
9
7
7
6
7
7
5
4
3
3
3
2
1
1
1
1
1
2
1

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
85
85
79
66
73
79
80
80
72
72
68
74
79
78
79
82
77
79
77
77
75

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1018
1018
1019
1019
1020
1020
1021
1022
1023
1024
1024
1025
1025
1024
1024
1024
1024

Ozone (du)

354
355
356
355
356
362
365
364
365
367
371
372
368
367
364
365
361
358
355
353
353
353
351
350

Friday 10

Third Quarter 50%

04:17

11:09

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
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:20, Set: 19:55, Transit: 13:08. Moon - Rise: 04:17, Set: 11:09. Civil Dark: 20:30 - 05:43. Nautical Dark: 21:13 - 05:00. Astro Dark: 22:01 - 04:12

Total Clouds (% Sky Obscured)

70
78
83
88
91
96
99
100
100
100
100
100
100
95
89
82
86
91
98
98
99
97
91
91

Low Clouds (% Sky Obscured)

1
6
0
0
25
51
76
71
67
53
39
24
11
11
11
11
8
4
0
30
60
90
80
79

Medium Clouds (% Sky Obscured)

54
78
83
88
80
96
99
99
100
100
89
79
63
64
68
67
51
58
65
50
31
40
35
53

High Clouds (% Sky Obscured)

15
10
7
7
34
59
85
89
94
100
100
100
100
82
65
50
65
76
88
61
36
1
1
1

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

Precipitation Probability (%)

0
0
0
0
0
2
13
33
46
52
44
30
0
0
0
0
0
0
0
5
16
27
44
48

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
3
5
7
9
10
11
11
13
14
13
13
13
13
13
13
12
13
13
12
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-1
-0
0
1
1
2
3
1
2
3
3
3
3
3
3
3
4
5
5
6
6
7

Relative Humidity (%)

72
74
69
65
59
59
60
61
67
59
62
70
71
73
73
75
78
82
86
85
87
88
90
93

Pressure (mb)

1023
1023
1023
1023
1023
1022
1021
1020
1019
1018
1017
1016
1015
1015
1014
1013
1013
1012
1011
1010
1009
1009
1008
1008

Ozone (du)

351
353
354
355
354
354
351
348
348
345
343
343
343
344
344
344
345
344
345
345
345
345
345
345

Saturday 11

Waning Crescent 39%

04:36

12:24

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
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:18, Set: 19:57, Transit: 13:08. Moon - Rise: 04:36, Set: 12:24. Civil Dark: 20:32 - 05:41. Nautical Dark: 21:15 - 04:57. Astro Dark: 22:03 - 04:09

Total Clouds (% Sky Obscured)

96
100
100
100
94
87
81
56
30
5
18
39
56
69
47
30
27
47
71
69
66
64
62
59

Low Clouds (% Sky Obscured)

74
72
66
66
65
61
58
37
19
0
14
28
42
23
11
0
20
40
61
62
63
64
62
59

Medium Clouds (% Sky Obscured)

86
76
66
53
54
62
62
53
30
5
18
39
56
69
47
30
27
47
71
69
66
64
62
59

High Clouds (% Sky Obscured)

2
41
72
100
77
50
30
35
30
5
18
20
20
49
24
14
8
8
9
9
10
15
24
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
2
2
2
0
0
0
2
4
6
8
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

46
35
25
12
14
37
92
95
62
93
75
49
37
63
62
53
63
61
40
54
55
38
33
24

Precipitation Amount (mm)

0
0
0
0
0
0
0.7
1.4
0.3
0.8
0.3
0
0
0.2
0.2
0
0.3
0.3
0
0.2
0.2
0
0
0

Wind Speed/Direction (mph)

10
9
10
12
13
14
14
16
14
14
14
12
14
13
9
9
8
9
9
10
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
6
7
8
7
8
9
9
9
6
5
4
5
4
3
3
2
-1
-2
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

94
94
91
88
85
81
87
95
96
96
100
98
98
96
96
98
98
98
96
96
94
93
91
91

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1008
1008
1008
1009
1009
1009
1010
1010
1010
1010
1011
1011
1011
1011

Ozone (du)

347
349
351
353
354
357
356
355
354
351
350
351
352
354
354
355
355
354
352
351
350
348
347
348

Sunday 12

Waning Crescent 30%

04:51

13:43

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
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:16, Set: 19:59, Transit: 13:07. Moon - Rise: 04:51, Set: 13:43. Civil Dark: 20:34 - 05:38. Nautical Dark: 21:17 - 04:55. Astro Dark: 22:06 - 04:06

Total Clouds (% Sky Obscured)

57
56
56
55
57
60
64
68
75
79
77
74
70
72
75
60
63
73
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

57
56
55
51
42
37
32
39
47
55
50
48
49
33
17
2
2
4
6
22
39
56
53
50

Medium Clouds (% Sky Obscured)

57
56
56
55
57
60
64
68
75
73
74
73
70
72
75
60
63
73
100
100
100
100
91
83

High Clouds (% Sky Obscured)

43
32
19
10
10
5
0
0
0
0
0
0
10
35
40
40
63
73
100
99
99
99
98
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 (%)

6
3
1
0
9
12
15
18
20
23
23
25
28
24
19
11
9
6
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
8
9
10
11
11
11
11
11
11
10
9
8
7
4
3
3
3
3
3
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
0
1
2
2
3
3
7
6
6
6
6
6
5
5
5
5
4
4
2
1
2
2

Dew Point (°C)

3
2
3
4
4
4
4
3
3
4
4
4
4
4
4
4
3
3
3
3
3
2
2
2

Relative Humidity (%)

93
91
88
83
81
74
69
63
64
67
68
72
74
77
81
85
89
89
91
91
93
93
93
94

Pressure (mb)

1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1013
1013
1013
1012
1012
1012

Ozone (du)

348
349
353
356
360
361
362
363
365
366
368
370
372
374
374
375
376
377
378
379
380
381
382
384

Monday 13

Waning Crescent 20%

05:04

15:02

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 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:14, Set: 20:00, Transit: 13:07. Moon - Rise: 05:04, Set: 15:02. Civil Dark: 20:36 - 05:36. Nautical Dark: 21:19 - 04:52. Astro Dark: 22:08 - 04:03

Total Clouds (% Sky Obscured)

99
99
99
99
97
94
91
70
46
16
18
16
22
39
60
82
77
72
68

Low Clouds (% Sky Obscured)

46
53
58
65
63
64
66
67
46
16
18
16
22
25
26
31
40
45
52

Medium Clouds (% Sky Obscured)

73
81
89
97
94
90
87
67
46
16
18
16
22
39
60
82
73
64
57

High Clouds (% Sky Obscured)

91
79
66
55
38
20
3
17
32
16
18
16
22
39
60
64
40
19
0

ISS Passover

Visibility (miles)

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

Fog (%)

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
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
2
3
1
7
9
12
13
12
7
17
23
29
34
42
53
57
51
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
3
4
6
7
8
9
10
11
11
11
10
9
8
8
7
6
5
4

Feels Like (°C)

1
2
1
1
2
3
3
3
9
9
9
9
10
10
7
6
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

94
94
89
85
81
73
64
58
57
56
55
62
72
81
87
91
98
96
94

Pressure (mb)

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

Ozone (du)

386
388
390
392
394
398
402
406
413
420
427
431
435
440
439
439
438
425
411

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

Generated: 07/04/26 06:58:33. Forecast: 07/04/26 to 13/04/26. Timezone: UTC+1.00