Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Gibbous 70%

16:02

01:40

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 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:42, Set: 18:02, Transit: 12:51. Moon - Rise: 16:02, Set: 01:40. Civil Dark: 18:36 - 07:08. Nautical Dark: 19:15 - 06:29. Astro Dark: 19:54 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
100
74
39
19
41
63
96
95
99
100
100

Low Clouds (% Sky Obscured)

96
92
94
92
97
100
100
100
100
100
100
99
98
100
66
3
3
39
33
81
81
92
100
99

Medium Clouds (% Sky Obscured)

100
100
100
100
99
97
52
41
38
24
31
33
39
36
40
30
12
2
24
92
39
91
98
42

High Clouds (% Sky Obscured)

100
99
100
50
12
50
2
0
2
0
0
0
0
0
0
0
0
0
22
0
0
34
9
91

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
95
84
66
52
50
32
22
6
2
5
5
8
8
5
7
14
68
58
61
65
61

Precipitation Amount (mm)

2.3
2.4
1.2
1.2
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0.2
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
96
93
95
95
96
95
90
90
91
90
91
91
90
88
90
95
93
95
90

Pressure (mb)

1011
1011
1010
1009
1008
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1004
1003
1003
1002
1001
1000
999
998
998

Ozone (du)

278
278
280
282
283
285
285
285
287
290
293
295
297
301
306
310
304
294
290
286
285
290
294
295

Wednesday 21

Waxing Gibbous 79%

16:15

02:56

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

Sun - Rise: 07:44, Set: 18:00, Transit: 12:51. Moon - Rise: 16:15, Set: 02:56. Civil Dark: 18:34 - 07:10. Nautical Dark: 19:13 - 06:31. Astro Dark: 19:52 - 05:52

Total Clouds (% Sky Obscured)

94
100
96
98
96
93
94
98
97
96
75
47
38
5
33
91
94
100
100
90
54
31
33
30

Low Clouds (% Sky Obscured)

76
96
95
97
96
93
94
94
83
82
64
47
13
2
11
71
76
93
91
89
22
23
21
19

Medium Clouds (% Sky Obscured)

44
40
16
13
33
32
85
56
87
39
73
41
38
3
19
39
38
62
100
25
24
0
0
0

High Clouds (% Sky Obscured)

82
48
5
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
2
8
9
9
9
9
9
9
9
9
5
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
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

75
78
53
34
39
52
72
95
95
64
41
26
6
0
1
24
26
63
95
27
9
2
0
0

Precipitation Amount (mm)

0.3
0.2
0
0
0
0
0.3
0.9
0.6
0.2
0
0
0
0
0
0
0
0.3
1.3
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
14
19
21
24
24
24
25
24
21
18
15
14
11
9
9
8
7
7
7
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
85
85
88
87
88
90
91
91
90
82
76
74
79
83
88
90
96
98
95
94
94
93

Pressure (mb)

998
998
999
999
999
1000
1001
1001
1002
1004
1005
1007
1007
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010

Ozone (du)

297
299
299
301
303
306
307
308
305
306
305
306
308
312
313
314
315
312
310
310
313
312
310
306

Thursday 22

Waxing Gibbous 87%

16:28

04:13

08 OK
09 Bad
10 OK
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
06 Bad
07 Bad

Sun - Rise: 07:45, Set: 17:58, Transit: 12:51. Moon - Rise: 16:28, Set: 04:13. Civil Dark: 18:33 - 07:11. Nautical Dark: 19:11 - 06:32. Astro Dark: 19:50 - 05:54

Total Clouds (% Sky Obscured)

31
53
42
59
82
79
83
100
100
100
100
100
100
100
100
100
100
94
75
84
90
96
100
100

Low Clouds (% Sky Obscured)

23
34
27
29
23
25
23
50
92
89
94
93
93
89
93
100
91
65
70
84
89
95
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
33
51
78
87
92
100
100
98
100
100
100
100
100
53
13
3
77
90
75
68

High Clouds (% Sky Obscured)

0
2
4
18
50
48
73
98
100
100
100
100
100
66
100
100
100
85
15
2
45
80
76
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
8
9
3
3
4
5
4
2
9
9
9
4
2
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
1
5
25
40
53
75
95
95
95
95
95
95
88
82
89
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.9
1.2
1.5
3.3
3.1
0.5
0.5
0.3
2.3
0.6
0.7
0.5

Wind Speed/Direction (mph)

7
6
9
9
10
10
10
10
10
9
9
10
12
14
16
18
20
20
19
20
20
20
15
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
84
77
72
70
69
72
81
90
93
93
93
93
92
93
93
84
86
83
86
95
93
93

Pressure (mb)

1010
1010
1011
1011
1011
1010
1009
1009
1008
1007
1006
1005
1003
1002
1000
997
995
994
992
990
987
983
982
981

Ozone (du)

302
299
295
290
290
286
285
282
282
281
280
282
285
288
292
294
297
305
313
313
308
311
313
310

Friday 23

Waxing Gibbous 94%

16:40

05:32

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
06 Bad
07 Bad

Sun - Rise: 07:47, Set: 17:56, Transit: 12:51. Moon - Rise: 16:40, Set: 05:32. Civil Dark: 18:31 - 07:13. Nautical Dark: 19:10 - 06:34. Astro Dark: 19:48 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
97
88
74
47
66
61
47
61
66
82
89
48
62
79
100
100
100

Low Clouds (% Sky Obscured)

99
99
99
99
99
98
98
96
69
52
13
8
24
21
61
38
13
62
8
23
47
71
78
24

Medium Clouds (% Sky Obscured)

45
27
25
25
29
54
98
97
74
72
18
12
7
1
1
8
69
14
20
30
28
31
29
31

High Clouds (% Sky Obscured)

100
100
46
38
35
30
22
55
55
2
16
40
40
30
52
52
40
47
45
45
40
85
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
6
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

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

Precipitation Probability (%)

90
56
69
84
95
95
80
62
41
23
3
1
0
0
2
18
1
0
0
10
0
0
0
12

Precipitation Amount (mm)

0.4
0
0.2
0.4
1.1
0.7
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

24
20
24
25
27
31
30
30
29
27
26
24
23
21
20
20
19
18
18
16
16
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
9
9
8
8
6
5
4
3
2
1
2
1
2
2
2
2
2
3
3
2
1
2

Relative Humidity (%)

93
91
88
85
85
85
80
74
72
69
63
64
65
65
67
69
70
70
70
75
75
70
65
69

Pressure (mb)

983
985
986
988
991
994
996
998
1000
1002
1004
1005
1007
1008
1009
1009
1010
1011
1011
1012
1012
1012
1012
1012

Ozone (du)

309
311
314
316
317
315
313
313
313
316
318
322
326
328
331
333
336
338
337
333
326
320
318
315

Saturday 24

Waxing Gibbous 98%

16:52

05:56

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
06 Bad
07 Bad

Sun - Rise: 06:49, Set: 17:54, Transit: 12:51. Moon - Rise: 16:52, Set: 05:56. Civil Dark: 18:29 - 06:15. Nautical Dark: 19:08 - 05:35. Astro Dark: 19:46 - 04:57

Total Clouds (% Sky Obscured)

100
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
93
95
97
99
84
69

Low Clouds (% Sky Obscured)

28
31
32
31
34
38
71
99
100
100
100
98
99
100
100
100
100
97
93
94
93
91
81
69

Medium Clouds (% Sky Obscured)

36
38
49
100
100
100
100
100
97
95
92
97
94
91
93
94
96
92
82
86
87
89
59
30

High Clouds (% Sky Obscured)

100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
87
55
50
45
40
27
20

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

17
19
31
40
43
46
73
78
92
95
95
95
95
95
93
81
68
66
67
66
59
52
44
33

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.5
0.5
0.9
1.3
1.1
1
0.8
0.5
0.4
0.3
0.3
0.3
0.3
0.3
0
0
0

Wind Speed/Direction (mph)

13
13
13
14
13
13
12
14
15
14
15
16
17
16
17
17
18
19
21
22
22
23
25
24

Chance of Frost

Temperature (°C)

8
8
9
10
10
11
11
11
11
11
11
11
13
14
15
15
15
15
15
15
14
13
13
11

Feels Like (°C)

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

Dew Point (°C)

3
4
5
5
5
5
7
9
9
10
9
11
12
13
14
14
14
15
14
14
13
12
11
8

Relative Humidity (%)

74
75
74
72
69
68
75
87
90
91
91
96
95
96
96
96
95
96
95
95
92
90
87
80

Pressure (mb)

1012
1012
1012
1011
1010
1009
1008
1006
1004
1003
1001
1000
999
998
996
996
995
995
994
993
994
994
995
997

Ozone (du)

311
307
304
301
298
294
290
287
284
280
278
276
274
273
272
270
268
266
267
267
269
271
273
281

Sunday 25

Waxing Gibbous 100%

16:07

No Set

08 Bad
09 Bad
10 Bad
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK
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

Sun - Rise: 06:51, Set: 16:52, Transit: 11:51. Moon - Rise: 16:07, Set: No Set. Civil Dark: 17:27 - 06:16. Nautical Dark: 18:06 - 05:37. Astro Dark: 18:44 - 04:58

Total Clouds (% Sky Obscured)

54
45
38
32
34
38
43
37
30
22
32
42
56
57
59
60
70
77
88
90
91
93
95
97

Low Clouds (% Sky Obscured)

54
45
34
23
27
31
36
32
27
21
15
10
4
3
2
1
18
34
48
36
24
11
36
61

Medium Clouds (% Sky Obscured)

0
0
0
0
5
10
12
6
3
0
2
7
10
15
19
28
30
28
30
30
25
25
31
38

High Clouds (% Sky Obscured)

12
8
4
0
0
0
0
1
2
4
22
42
56
49
24
8
22
37
51
59
69
83
89
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 (%)

11
10
8
6
8
11
12
10
8
6
5
3
0
0
0
0
2
3
0
5
12
19
22
24

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)

23
22
23
24
25
25
26
26
23
21
20
18
17
16
15
15
14
13
12
11
10
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
69
68
66
65
67
68
71
71
71
72
72
73
73
71
73
71
71
70
69
70
70
71
73

Pressure (mb)

999
1000
1001
1002
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

289
297
301
306
310
310
309
308
304
299
294
291
288
285
283
280
278
275
272
269
268
267
266
265

Monday 26

Full Moon 99%

16:27

No Set

Sun - Rise: 06:52, Set: 16:50, Transit: 11:51. Moon - Rise: 16:27, Set: No Set. Civil Dark: 17:25 - 06:18. Nautical Dark: 18:04 - 05:39. Astro Dark: 18:43 - 05:00

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 20/10/26 08:06:46. Forecast: 20/10/26 to 26/10/26. Timezone: UTC+1.00