Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 30

Waning Gibbous 79%

19:34

12:35

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

Sun - Rise: 06:52, Set: 16:36, Transit: 11:44. Moon - Rise: 19:34, Set: 12:35. Civil Dark: 17:11 - 06:17. Nautical Dark: 17:51 - 05:37. Astro Dark: 18:29 - 04:58

Total Clouds (% Sky Obscured)

87
86
73
60
48
40
41
47
38
32
34
32
29
23
25
54
77
84
88
80
71
72
79
87

Low Clouds (% Sky Obscured)

30
30
30
30
35
34
33
30
20
18
21
20
21
15
17
28
56
59
69
73
71
72
75
71

Medium Clouds (% Sky Obscured)

7
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

32
22
7
11
12
2
3
18
20
14
9
7
2
3
4
23
17
21
18
16
6
6
16
30

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 (%)

92
97
97
92
100
95
99
31
2
0
0
0
0
0
0
0
0
0
20
12
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
8
8
9
9
9
9
9
8
8
9
9
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

95
95
95
93
95
93
87
80
74
68
65
63
67
75
84
88
93
93
95
95
95
95
95
95

Pressure (mb)

1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1029
1029
1029
1029
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

258
259
260
260
260
260
258
257
256
256
256
258
258
259
259
259
259
259
259
259
259
261
261
262

Saturday 31

Waning Gibbous 69%

20:59

13:16

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
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:54, Set: 16:34, Transit: 11:44. Moon - Rise: 20:59, Set: 13:16. Civil Dark: 17:09 - 06:19. Nautical Dark: 17:49 - 05:39. Astro Dark: 18:28 - 05:00

Total Clouds (% Sky Obscured)

89
90
89
80
80
60
51
68
86
84
84
74
76
82
86
78
73
56
35
57
75
51
50
52

Low Clouds (% Sky Obscured)

63
60
58
56
59
60
51
56
64
56
55
50
50
46
59
57
52
28
0
49
57
51
50
52

Medium 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

High Clouds (% Sky Obscured)

40
40
45
39
43
21
16
39
60
47
62
44
44
51
48
40
32
34
28
13
16
2
3
3

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
63
100
100
100
84

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
95
93
85
79
72
68
63
61
63
71
76
81
85
87
87
88
88
88
87
88

Pressure (mb)

1031
1031
1031
1031
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1032
1032
1032
1033
1033
1033
1033
1033
1032

Ozone (du)

262
262
263
264
264
264
263
262
262
263
265
265
265
266
266
266
266
265
265
264
265
266
266
267

Sunday 1

Third Quarter 57%

22:27

13:44

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 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:56, Set: 16:32, Transit: 11:44. Moon - Rise: 22:27, Set: 13:44. Civil Dark: 17:08 - 06:20. Nautical Dark: 17:47 - 05:41. Astro Dark: 18:26 - 05:02

Total Clouds (% Sky Obscured)

52
50
62
63
63
66
71
70
64
58
61
58
46
50
75
94
100
100
100
100
100
95
91
75

Low Clouds (% Sky Obscured)

52
48
59
63
63
66
71
70
64
58
61
58
46
50
75
89
100
100
100
100
100
91
82
62

Medium Clouds (% Sky Obscured)

0
0
4
0
0
0
0
0
1
4
7
6
3
3
3
3
19
18
16
15
8
9
7
11

High Clouds (% Sky Obscured)

6
3
5
5
2
1
0
0
0
1
2
3
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 (%)

78
83
90
91
96
95
100
95
83
38
17
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
1
3
16
11
5
1
2
3
2
2
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)

4
4
4
5
5
5
5
6
7
8
7
8
8
8
8
8
11
11
11
11
11
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
90
90
91
88
81
74
69
66
65
65
68
77
87
95
93
88
85
81
80
78
74
75

Pressure (mb)

1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1032
1032
1032
1032
1033
1033
1033
1034
1034
1034
1034
1034
1034
1035

Ozone (du)

267
269
271
272
273
273
273
274
276
278
281
287
291
294
292
291
292
293
294
293
291
290
291
294

Monday 2

Waning Crescent 46%

23:52

14:04

03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
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

Sun - Rise: 06:57, Set: 16:30, Transit: 11:44. Moon - Rise: 23:52, Set: 14:04. Civil Dark: 17:06 - 06:22. Nautical Dark: 17:46 - 05:42. Astro Dark: 18:25 - 05:03

Total Clouds (% Sky Obscured)

50
68
51
37
41
41
83
83
83
83
79
78
59
64
99
64
46
42
52
66
78
84
89
86

Low Clouds (% Sky Obscured)

50
62
51
37
41
41
76
76
74
65
58
55
35
40
86
46
29
39
44
53
39
72
81
74

Medium Clouds (% Sky Obscured)

7
5
0
0
2
0
0
0
0
0
2
1
3
0
3
0
0
3
49
54
49
26
19
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
9
17
26
38
50
67
50
32
15
48
24
45
30
10
3

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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

2
1
0
0
0
0
3
4
15
12
24
25
11
23
17
1
5
28
41
29
26
23
13
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
91
91
84
85
87
81
78
81
78
73
76
71
68
75
77
85
87
90
88
84
87
85
85

Pressure (mb)

1035
1035
1035
1035
1036
1036
1036
1036
1036
1036
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1034
1034
1034
1034

Ozone (du)

295
296
297
299
301
304
305
306
308
308
307
307
306
303
300
299
297
296
292
288
290
291
291
293

Tuesday 3

Waning Crescent 34%

01:14

14:19

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

Sun - Rise: 06:59, Set: 16:29, Transit: 11:44. Moon - Rise: 01:14, Set: 14:19. Civil Dark: 17:04 - 06:24. Nautical Dark: 17:44 - 05:44. Astro Dark: 18:23 - 05:05

Total Clouds (% Sky Obscured)

83
85
80
52
60
65
64
62
64
52
44
32
33
39
43
54
73
89
81
73
68
72
74
76

Low Clouds (% Sky Obscured)

77
84
80
42
47
54
55
57
63
52
44
32
33
39
40
27
35
37
38
42
48
56
63
70

Medium Clouds (% Sky Obscured)

7
4
1
11
21
28
23
18
12
9
4
0
0
0
0
12
27
43
31
17
3
2
2
2

High Clouds (% Sky Obscured)

2
2
2
1
3
3
3
3
7
2
2
2
0
0
2
12
22
37
25
14
0
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
4
2
2
2
1
6
7
8
8
5
4
5
5
2
10
7
1
4
5
4
5
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
88
84
79
78
74
70
64
59
58
60
63
67
69
70
71
74
75
75
74
73
69
65

Pressure (mb)

1033
1033
1033
1033
1033
1033
1033
1033
1033
1032
1032
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030

Ozone (du)

294
294
292
291
290
290
289
290
292
293
295
293
291
290
289
289
293
297
302
297
292
287
289
291

Wednesday 4

Waning Crescent 24%

02:33

14:31

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 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:01, Set: 16:27, Transit: 11:44. Moon - Rise: 02:33, Set: 14:31. Civil Dark: 17:03 - 06:25. Nautical Dark: 17:43 - 05:45. Astro Dark: 18:22 - 05:06

Total Clouds (% Sky Obscured)

73
72
75
77
77
76
78
80
82
86
89
93
77
59
34
38
51
65
74
84
93
90
87
86

Low Clouds (% Sky Obscured)

73
72
75
77
76
67
68
69
71
77
83
88
67
42
20
37
51
65
67
63
58
54
47
38

Medium Clouds (% Sky Obscured)

25
44
60
55
50
45
31
22
6
4
2
0
18
38
34
38
51
65
74
75
72
74
76
83

High Clouds (% Sky Obscured)

6
12
22
36
41
45
32
19
0
4
9
13
40
59
34
38
51
65
59
75
86
75
66
65

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 (%)

9
10
10
10
8
4
10
12
12
14
14
13
12
10
2
2
1
0
0
0
0
1
1
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
12
12
12
12
12
13
13
13
14
13
13
13
13
12
12
11
11
10
10
9
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
64
69
73
71
71
72
73
76
76
76
76
77
74
73
73
70
69
68
73
77
81
84
85

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

293
294
296
297
299
300
302
302
302
302
302
301
300
301
301
301
301
301
300
300
300
300
300
300

Thursday 5

Waning Crescent 16%

No Rise

14:43

Sun - Rise: 07:03, Set: 16:25, Transit: 11:44. Moon - Rise: No Rise, Set: 14:43. Civil Dark: 17:01 - 06:27. Nautical Dark: 17:41 - 05:47. Astro Dark: 18:20 - 05:08

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

Generated: 30/10/26 03:13:40. Forecast: 30/10/26 to 05/11/26. Timezone: UTC+0.00