Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 6

Waning Crescent 20%

03:04

16:57

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
08 Bad

Sun - Rise: 07:12, Set: 18:26, Transit: 12:48. Moon - Rise: 03:04, Set: 16:57. Civil Dark: 19:00 - 06:39. Nautical Dark: 19:39 - 06:00. Astro Dark: 20:18 - 05:20

Total Clouds (% Sky Obscured)

88
91
91
92
78
93
74
92
98
99
79
90
100
100
100
100
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
64
41
51
41
37
34
33
27
8
1
0
3
9
7
46
63
64
65
65
58
66
81
87

Medium Clouds (% Sky Obscured)

88
90
88
92
71
75
72
89
95
38
46
42
89
99
93
100
99
97
99
99
100
100
100
100

High Clouds (% Sky Obscured)

88
89
85
91
51
69
17
60
82
93
79
77
100
100
73
97
100
66
89
100
100
100
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
5
4
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
78
100
98
91
100
87
73

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
14
20
14
10
18
41
73
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.7
1
1.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
16
18
19
20
21
21
20
19
18
17
17
16
16
15
15
15
15
15
14
14
14
14

Feels Like (°C)

14
14
15
18
18
19
20
20
20
19
17
18
16
16
15
15
14
14
15
15
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

66
62
62
60
56
53
51
51
52
59
64
66
68
67
68
70
73
74
75
76
78
87
93
95

Pressure (mb)

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

Ozone (du)

279
280
282
283
285
287
288
289
289
291
292
293
292
293
295
298
299
300
300
299
298
299
300
300

Wednesday 7

Waning Crescent 12%

04:27

17:11

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

Sun - Rise: 07:14, Set: 18:24, Transit: 12:48. Moon - Rise: 04:27, Set: 17:11. Civil Dark: 18:57 - 06:40. Nautical Dark: 19:36 - 06:01. Astro Dark: 20:16 - 05:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
64
40
12
5
17
21
23
23
21
11
9
9
12
0
0

Low Clouds (% Sky Obscured)

87
88
94
97
94
100
100
100
98
64
40
9
5
13
17
20
21
21
11
8
7
8
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
87
20
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
45
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
2
2
3
4
6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

52
21
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
93
70
56
32
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.9
2.2
1.8
1.1
0.7
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
12
12
9
7
7
6
6
7
8
7
8
6
5
5
5
5
4
5
4
3
3
4

Dew Point (°C)

13
13
12
12
11
10
10
9
7
6
6
5
6
4
5
5
5
5
5
5
4
4
4
4

Relative Humidity (%)

93
95
93
95
92
90
90
87
77
71
68
69
78
73
78
81
81
82
82
84
84
82
83
85

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1018
1018
1019
1020
1020

Ozone (du)

298
296
291
295
301
302
307
310
314
314
318
326
328
327
324
320
317
315
311
308
306
304
303
302

Thursday 8

Waning Crescent 6%

05:47

17:24

09 Good
10 Good
11 Bad
12 Good
13 Bad
14 OK
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
08 Bad

Sun - Rise: 07:15, Set: 18:22, Transit: 12:48. Moon - Rise: 05:47, Set: 17:24. Civil Dark: 18:55 - 06:42. Nautical Dark: 19:34 - 06:03. Astro Dark: 20:13 - 05:24

Total Clouds (% Sky Obscured)

10
7
86
4
47
24
59
82
100
100
99
98
99
100
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
2
0
3
12
16
22
23
15
28
50
40
78
90
89
100
100
100
100
93
81
88
94

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
25
97
99
98
99
100
99
100
100
100
100
100
100
99
51
44

High Clouds (% Sky Obscured)

10
7
83
4
47
11
53
76
100
100
91
44
93
88
70
88
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
3
26
69
95
95
95
79
46
5
18
32
28
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.1
1.2
0.8
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
11
11
12
11
11
9
7
6
8
9
9
10
11
14
15
16
15
15
15
16
16

Chance of Frost

Temperature (°C)

7
9
11
12
13
14
14
14
14
13
12
12
11
11
10
10
10
10
11
12
13
14
14
15

Feels Like (°C)

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

Dew Point (°C)

4
4
3
2
2
1
1
2
4
5
4
3
4
5
7
8
9
9
10
12
12
13
13
14

Relative Humidity (%)

78
68
58
51
45
43
41
44
50
57
57
54
60
68
77
88
93
93
91
96
95
93
92
93

Pressure (mb)

1021
1022
1022
1022
1022
1023
1022
1022
1022
1022
1022
1022
1022
1021
1020
1019
1018
1016
1015
1014
1013
1013
1012
1012

Ozone (du)

300
299
297
295
292
289
287
284
280
277
275
273
273
272
271
271
271
270
269
269
269
271
272
271

Friday 9

Waning Crescent 2%

07:06

17:35

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

Sun - Rise: 07:17, Set: 18:19, Transit: 12:47. Moon - Rise: 07:06, Set: 17:35. Civil Dark: 18:53 - 06:44. Nautical Dark: 19:32 - 06:05. Astro Dark: 20:11 - 05:26

Total Clouds (% Sky Obscured)

100
96
93
89
79
73
62
64
69
61
31
7
0
4
7
11
30
59
59
54
54
53
57
65

Low Clouds (% Sky Obscured)

100
93
83
79
74
73
62
64
26
58
31
7
0
4
7
11
29
55
59
54
54
53
57
65

Medium Clouds (% Sky Obscured)

38
31
25
56
76
5
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
80
60
35
35
40
42
45
45
31
0
0
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 (%)

28
24
23
15
24
23
30
35
25
20
10
4
0
0
0
0
0
0
0
1
1
2
1
3

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)

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

Chance of Frost

Temperature (°C)

15
16
17
17
18
18
18
18
17
15
14
13
12
11
10
10
9
9
9
9
9
9
9
10

Feels Like (°C)

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

Dew Point (°C)

14
14
15
15
16
16
17
15
14
12
10
10
9
8
7
7
6
5
3
2
2
2
1
3

Relative Humidity (%)

92
90
90
86
92
90
92
81
86
83
80
81
83
81
83
81
80
77
63
60
59
59
59
61

Pressure (mb)

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

Ozone (du)

271
272
272
273
273
274
275
277
277
278
278
280
283
286
289
290
292
297
303
303
301
303
305
308

Saturday 10

New Moon 0%

08:24

17:47

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

Sun - Rise: 07:19, Set: 18:17, Transit: 12:47. Moon - Rise: 08:24, Set: 17:47. Civil Dark: 18:51 - 06:45. Nautical Dark: 19:30 - 06:06. Astro Dark: 20:09 - 05:27

Total Clouds (% Sky Obscured)

70
74
28
47
63
59
36
45
13
10
12
21
72
71
72
67
65
60
52
53
68
64
54
48

Low Clouds (% Sky Obscured)

70
74
22
40
58
56
32
44
10
7
9
20
64
63
62
53
48
46
41
46
53
50
38
26

Medium Clouds (% Sky Obscured)

0
3
6
10
10
10
10
7
4
0
0
0
0
0
0
0
1
2
3
7
12
17
14
9

High Clouds (% Sky Obscured)

0
0
0
0
4
0
0
0
0
0
0
0
0
0
2
0
1
2
4
22
48
64
54
48

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
6
17
17
8
14
8
14
0
0
0
0
0
0
0
0
0
0
0
1
1
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
14
16
17
17
17
17
17
16
14
13
13
13
13
13
13
12
12
11
11
11
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
58
57
56
52
52
49
51
55
59
62
63
65
60
54
59
64
63
63
63
64
65
67
64

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

312
312
312
314
313
313
313
312
312
312
312
316
316
315
315
316
314
314
314
313
313
313
313
312

Sunday 11

Waxing Crescent 1%

No Rise

18:01

09 Bad
10 Bad
11 OK
12 OK
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 OK
08 OK

Sun - Rise: 07:21, Set: 18:15, Transit: 12:47. Moon - Rise: No Rise, Set: 18:01. Civil Dark: 18:49 - 06:47. Nautical Dark: 19:28 - 06:08. Astro Dark: 20:07 - 05:29

Total Clouds (% Sky Obscured)

46
43
39
36
50
65
82
78
75
69
74
74
77
82
85
81
84
88
92
79
66
53
42
31

Low Clouds (% Sky Obscured)

11
11
13
15
18
22
28
23
19
15
11
6
2
1
1
0
1
3
7
11
15
21
24
13

Medium Clouds (% Sky Obscured)

5
3
2
0
1
4
5
5
4
4
3
2
1
2
2
3
27
52
76
68
62
53
42
29

High Clouds (% Sky Obscured)

40
34
26
17
35
53
70
72
73
69
71
70
76
82
82
80
65
49
38
31
28
21
20
19

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
1
1
0
4
2
0
1
1
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)

13
14
14
15
15
14
13
12
10
8
5
5
4
4
3
3
3
3
3
2
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
62
59
56
52
51
51
50
54
58
61
62
63
63
66
67
68
68
70
71
74
75
76
71

Pressure (mb)

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

Ozone (du)

311
311
310
309
309
308
308
308
306
304
302
300
297
295
292
289
287
284
281
278
276
273
271
270

Monday 12

Waxing Crescent 4%

09:43

18:19

09 OK
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

Sun - Rise: 07:22, Set: 18:13, Transit: 12:47. Moon - Rise: 09:43, Set: 18:19. Civil Dark: 18:47 - 06:49. Nautical Dark: 19:25 - 06:10. Astro Dark: 20:04 - 05:31

Total Clouds (% Sky Obscured)

20
45
68
89
94
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
11
21
28
47
70
93
82
69
56
62
69
71
68
56
48
31
9
5
23
47
72

Medium Clouds (% Sky Obscured)

10
16
22
28
52
75
98
98
97
97
95
96
96
96
97
98
98
97
97
98
98
100

High Clouds (% Sky Obscured)

13
25
39
59
73
79
86
75
64
57
58
52
46
60
80
97
97
97
97
98
99
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
4
3

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
2
17
27
29
50
66
74
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.8
1.3
2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
62
62
61
60
61
63
66
67
68
69
69
71
71
72
75
75
80
86
92
92
95

Pressure (mb)

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

Ozone (du)

269
268
267
267
267
268
269
270
270
271
272
272
272
272
272
272
272
273
273
274
273
273

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 06/10/26 09:31:17. Forecast: 06/10/26 to 12/10/26. Timezone: UTC+1.00