Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 28

Waxing Gibbous 92%

15:22

06:17

16 Bad
17 Bad
18 Bad
19 Good
20 OK
21 OK
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

Sun - Rise: 06:50, Set: 17:46, Transit: 12:19. Moon - Rise: 15:22, Set: 06:17. Civil Dark: 18:19 - 06:17. Nautical Dark: 18:58 - 05:38. Astro Dark: 19:37 - 04:59

Total Clouds (% Sky Obscured)

63
60
56
11
17
20
89
91
94
94
100
99
100
100
100
99
100
99
99
96
90
89
89
100

Low Clouds (% Sky Obscured)

0
0
1
1
3
20
28
60
89
85
75
81
72
77
87
89
85
80
82
73
64
58
60
100

Medium Clouds (% Sky Obscured)

23
28
23
10
17
2
61
67
43
53
100
96
100
100
95
92
98
93
66
62
51
42
36
28

High Clouds (% Sky Obscured)

4
6
0
4
0
0
0
16
77
40
57
63
100
100
100
85
93
74
77
72
4
5
6
24

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
9
6
1
2
4
8
1
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

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

Precipitation Probability (%)

78
48
0
0
0
0
0
8
32
12
60
46
57
81
95
95
88
76
46
29
30
18
20
18

Precipitation Amount (mm)

0.5
0.2
0
0
0
0
0
0
0
0
0.4
0
0.2
0.5
0.9
1
0.5
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
11
8
5
5
8
8
10
11
12
13
15
15
14
13
12
14
16
15
14
14
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
74
83
86
88
89
91
86
93
94
93
94
94
94
96
96
96
95
96
95
95
95
90
90

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1019
1019
1018
1017
1016
1016
1015
1015
1014
1014
1013
1013
1014
1014
1014
1013
1013

Ozone (du)

410
411
411
411
410
409
403
398
394
392
389
387
387
389
389
390
390
390
388
391
391
391
389
386

Sunday 1

Waxing Gibbous 97%

No Rise

06:34

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:48, Set: 17:47, Transit: 12:19. Moon - Rise: No Rise, Set: 06:34. Civil Dark: 18:21 - 06:15. Nautical Dark: 18:59 - 05:36. Astro Dark: 19:38 - 04:57

Total Clouds (% Sky Obscured)

97
91
81
87
100
100
96
100
88
56
62
67
63
94
96
100
86
92
89
100
100
100
100
100

Low Clouds (% Sky Obscured)

93
79
69
75
64
79
63
67
79
56
61
67
63
60
64
72
54
64
50
35
35
39
31
29

Medium Clouds (% Sky Obscured)

22
26
22
20
20
30
39
52
25
33
22
38
38
36
45
95
69
82
27
80
84
75
48
39

High Clouds (% Sky Obscured)

72
60
55
69
100
100
90
100
72
17
22
25
44
89
74
95
55
15
53
100
100
100
100
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 (%)

6
5
12
3
4
12
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
91
90
90
90
90
91
88
87
84
85
87
88
88
88
87
84
78
77
76
79
80

Pressure (mb)

1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012

Ozone (du)

386
386
385
385
384
384
385
386
385
384
384
383
383
383
386
389
392
393
393
393
393
391
392
394

Monday 2

Waxing Gibbous 100%

16:46

06:47

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:46, Set: 17:49, Transit: 12:18. Moon - Rise: 16:46, Set: 06:47. Civil Dark: 18:23 - 06:13. Nautical Dark: 19:01 - 05:34. Astro Dark: 19:40 - 04:55

Total Clouds (% Sky Obscured)

100
100
88
89
95
94
95
94
100
100
100
100
100
100
100
95
89
97
95
98
100
100
99
99

Low Clouds (% Sky Obscured)

22
0
4
23
25
24
6
23
67
78
85
54
43
38
30
27
31
35
60
50
65
71
63
57

Medium Clouds (% Sky Obscured)

39
34
30
29
69
76
70
28
92
100
68
24
15
21
20
20
14
25
32
40
87
95
92
25

High Clouds (% Sky Obscured)

81
81
48
53
51
38
4
86
93
100
100
100
100
100
100
32
56
75
95
97
97
95
93
94

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
1
4
1
1
1
1
1
0
0
0
0
0
0
2
16
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
85
91
93
93
91
91
93
93
91
90
91
93
94
94
94
96
91
87
80
79
77
82
80

Pressure (mb)

1013
1014
1015
1016
1016
1017
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020
1021
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

394
393
394
394
394
393
394
394
393
391
389
389
389
390
390
389
388
390
391
391
390
390
390
390

Tuesday 3

Full Moon 100%

18:07

06:59

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

Sun - Rise: 06:44, Set: 17:51, Transit: 12:18. Moon - Rise: 18:07, Set: 06:59. Civil Dark: 18:24 - 06:10. Nautical Dark: 19:03 - 05:32. Astro Dark: 19:42 - 04:53

Total Clouds (% Sky Obscured)

100
100
100
99
100
79
56
42
39
35
31
31
28
33
37
48
57
53
44
33
36
40
43
31

Low Clouds (% Sky Obscured)

38
37
38
37
35
41
45
42
39
35
31
31
28
33
37
47
53
47
37
29
34
38
41
30

Medium Clouds (% Sky Obscured)

27
34
46
47
47
36
22
3
3
3
3
2
2
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

97
100
100
99
100
66
31
1
5
10
14
10
5
0
0
1
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 (%)

2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
87
91
91
91
91
88
88
87
88
88
90
88
90
90
88
88
81
78
76
72
70
69
69

Pressure (mb)

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

Ozone (du)

390
390
390
390
389
390
390
390
390
390
389
388
390
391
391
390
389
391
394
397
397
399
400
401

Wednesday 4

Waning Gibbous 97%

19:24

07:09

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

Sun - Rise: 06:42, Set: 17:53, Transit: 12:18. Moon - Rise: 19:24, Set: 07:09. Civil Dark: 18:26 - 06:08. Nautical Dark: 19:05 - 05:30. Astro Dark: 19:44 - 04:50

Total Clouds (% Sky Obscured)

21
10
8
6
4
14
24
34
26
17
8
30
48
68
40
60
70
95
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

21
10
8
6
4
14
24
34
26
17
8
30
48
68
40
60
70
84
70
56
64
72
77
80

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
5
5
10
15
40
59
73
78

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
40
60
69
64
51
37
28
20
16
49

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
49
57
66
65
63
63
51
51
53
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.3
0.3
0.4
0
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
10
9
9
8
7
7
7
7
7
7
7
7
7
8
7
7
6
5
5
9
8
7

Dew Point (°C)

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

Relative Humidity (%)

76
84
90
93
91
91
93
93
93
93
91
91
91
91
91
88
85
84
81
77
73
74
76
77

Pressure (mb)

1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1015
1015
1014
1014
1014
1011
1011
1011
1010
1010
1010
1010
1009
1009

Ozone (du)

402
403
404
404
403
400
397
394
391
389
389
390
392
394
395
396
397
398
398
399
399
399
400
401

Thursday 5

Waning Gibbous 93%

20:40

07:21

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:39, Set: 17:54, Transit: 12:18. Moon - Rise: 20:40, Set: 07:21. Civil Dark: 18:28 - 06:06. Nautical Dark: 19:06 - 05:27. Astro Dark: 19:46 - 04:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
89
79
70
61
58
53
63
69
72
73
75
60
59
62
81
67
53
36
45

Low Clouds (% Sky Obscured)

84
86
67
52
38
47
49
52
61
58
53
63
66
70
60
46
25
30
52
78
61
43
26
35

Medium Clouds (% Sky Obscured)

82
87
77
70
60
68
77
70
61
58
53
63
69
72
73
75
60
59
62
81
67
53
36
45

High Clouds (% Sky Obscured)

80
96
98
100
100
85
69
52
34
17
0
0
0
9
33
39
40
45
35
35
30
20
10
10

ISS Passover

Visibility (miles)

8
6
4
3
2
2
4
7
9
9
9
9
9
9
9
9
9
9
7
5
3
5
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

50
44
51
60
64
67
68
65
46
26
2
8
9
2
23
23
20
56
72
76
69
68
64
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
8
8
8
8
8
8
7
7
8
7
8
7
8
8
8
8
8
8
8
8
8
8
8

Feels Like (°C)

7
7
7
3
3
3
4
5
5
4
4
5
5
5
5
5
5
6
5
6
6
6
5
5

Dew Point (°C)

6
7
7
7
7
7
7
7
6
7
7
7
7
7
6
7
6
7
7
7
7
7
6
6

Relative Humidity (%)

82
88
95
95
96
96
94
94
93
93
94
94
94
93
91
93
91
93
93
94
96
95
91
91

Pressure (mb)

1009
1010
1010
1010
1011
1012
1012
1013
1014
1014
1014
1014
1015
1015
1015
1016
1017
1017
1018
1018
1018
1018
1019
1019

Ozone (du)

402
404
405
400
395
390
392
395
397
395
392
390
390
390
390
394
397
401
397
393
389
386
383
380

Friday 6

Waning Gibbous 87%

21:56

07:33

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

Sun - Rise: 06:37, Set: 17:56, Transit: 12:17. Moon - Rise: 21:56, Set: 07:33. Civil Dark: 18:29 - 06:04. Nautical Dark: 19:08 - 05:25. Astro Dark: 19:47 - 04:46

Total Clouds (% Sky Obscured)

57
70
71
69
69
75
80
84
79
65
46
34
20
11
7
6
9
16
23
30

Low Clouds (% Sky Obscured)

44
52
46
39
31
40
50
59
54
46
40
34
20
11
7
6
9
16
23
25

Medium Clouds (% Sky Obscured)

57
70
71
69
69
74
74
70
59
46
36
24
12
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
25
25
24
19
24
29
30
25
39
46
34
20
11
7
4
0
1
3
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

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 (%)

27
11
7
1
0
0
0
0
0
0
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
1
1
1
1
1
1
-1
-1
-1
-1
-1
-1
-1
1
1
1
1

Dew Point (°C)

6
5
4
4
3
3
2
2
1
1
1
1
1
1
1
1
1
1
1
0

Relative Humidity (%)

91
88
86
86
85
86
85
85
85
88
88
89
89
91
91
86
83
79
71
65

Pressure (mb)

1019
1020
1021
1021
1022
1022
1023
1023
1024
1024
1025
1025
1026
1026
1027
1027
1028
1029
1029
1029

Ozone (du)

380
380
381
383
386
388
392
396
400
405
409
414
415
416
417
415
413
410
405
399

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

Generated: 28/02/26 16:13:48. Forecast: 28/02/26 to 06/03/26. Timezone: UTC+0.00