Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

Waning Crescent 1%

06:00

19:42

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

Sun - Rise: 07:05, Set: 20:04, Transit: 13:35. Moon - Rise: 06:00, Set: 19:42. Civil Dark: 20:39 - 06:31. Nautical Dark: 21:20 - 05:49. Astro Dark: 22:05 - 05:04

Total Clouds (% Sky Obscured)

15
14
18
16
19
22
14
54
88
85
97
98
96
88
41
63
35
36
100
100
85
100
100
100

Low Clouds (% Sky Obscured)

15
14
18
16
19
22
13
54
82
75
88
78
73
69
20
19
9
0
0
21
16
24
0
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
5
23
26
32
34
24
19
32
16
4
9
7
10
9
14
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
21
17
63
6
33
100
100
77
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
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
2
2
1
1
1
0
1
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

11
11
10
11
10
10
11
13
15
16
17
17
18
18
19
19
19
18
16
14
13
13
13
13

Feels Like (°C)

10
9
8
9
10
11
12
14
13
13
14
14
15
15
16
19
19
18
14
12
12
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

80
68
62
64
77
80
77
69
63
63
60
57
59
58
53
49
49
58
61
62
64
68
70
70

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

331
330
329
330
329
330
330
328
327
324
322
320
317
315
314
315
317
317
317
317
316
315
315
314

Friday 11

New Moon 0%

07:24

19:54

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

Sun - Rise: 07:07, Set: 20:02, Transit: 13:34. Moon - Rise: 07:24, Set: 19:54. Civil Dark: 20:36 - 06:32. Nautical Dark: 21:18 - 05:51. Astro Dark: 22:02 - 05:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
98
100
93
94
80
89
89
70
77
84
82
82
70
36
21
27
33
62

Low Clouds (% Sky Obscured)

48
43
45
12
84
77
98
100
89
91
75
83
69
49
45
38
26
29
70
24
18
21
12
21

Medium Clouds (% Sky Obscured)

14
23
36
82
100
96
96
44
37
15
0
10
24
19
25
26
5
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
71
38
25
0
0
0
0
0
0
0
0
18
71
76
74
13
14
0
2
16
30

ISS Passover

Visibility (miles)

9
9
9
9
5
5
9
9
9
9
9
9
4
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
Light Rain
None
None
None
None
None
None
None
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
8
34
71
46
17
8
14
7
10
36
48
49
50
48
27
2
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.5
0
0
0
0
0
0
0
0.2
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
11
10
11
12
11
11
11
12
14
17
19
19
19
19
19
19
17
16
15
15
15
14

Dew Point (°C)

7
8
8
9
10
12
12
12
12
13
13
13
15
15
15
15
14
15
15
13
13
12
12
12

Relative Humidity (%)

69
71
74
79
86
93
93
90
87
87
79
74
74
71
75
75
77
82
90
83
89
90
92
92

Pressure (mb)

1018
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1022
1022
1023
1023
1023

Ozone (du)

315
313
314
316
316
316
320
326
325
324
322
319
318
317
314
312
311
312
313
316
315
314
311
306

Saturday 12

Waxing Crescent 2%

08:45

20:05

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

Sun - Rise: 07:08, Set: 20:00, Transit: 13:34. Moon - Rise: 08:45, Set: 20:05. Civil Dark: 20:34 - 06:34. Nautical Dark: 21:15 - 05:53. Astro Dark: 21:59 - 05:09

Total Clouds (% Sky Obscured)

56
80
82
75
82
65
52
52
73
81
81
93
100
100
100
83
98
99
99
100
99
99
99
99

Low Clouds (% Sky Obscured)

24
28
39
39
36
33
26
24
47
55
57
56
51
35
29
24
9
14
35
44
54
68
71
86

Medium Clouds (% Sky Obscured)

1
5
1
0
0
1
0
3
3
15
0
16
30
10
23
35
51
67
98
99
85
87
99
82

High Clouds (% Sky Obscured)

16
25
25
21
55
29
23
26
22
10
17
89
100
100
100
22
75
85
74
66
71
58
41
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 (%)

5
5
100
100
100
100
91
56
91
9
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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
8
10
14
40
47
76

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
12
12
12
12
12
14
16
17
19
20
21
21
22
22
21
20
18
18
17
17
17
17

Feels Like (°C)

12
12
12
11
11
10
11
13
14
16
17
18
19
18
19
19
19
18
17
17
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
93
95
93
93
89
82
73
62
55
51
49
49
53
58
62
73
74
79
82
81
81

Pressure (mb)

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

Ozone (du)

304
304
303
303
302
302
300
298
297
295
294
293
293
294
294
295
295
296
297
299
300
299
300
299

Sunday 13

Waxing Crescent 7%

10:05

20:17

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

Sun - Rise: 07:10, Set: 19:57, Transit: 13:34. Moon - Rise: 10:05, Set: 20:17. Civil Dark: 20:32 - 06:36. Nautical Dark: 21:13 - 05:55. Astro Dark: 21:57 - 05:11

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
99
97
96
77
53
64
66
49
43
50
62
72
72
76
76

Low Clouds (% Sky Obscured)

86
86
86
86
86
83
82
64
77
97
54
65
63
28
44
48
31
23
25
27
27
30
35
44

Medium Clouds (% Sky Obscured)

67
66
96
96
90
30
35
36
41
68
84
26
18
14
8
8
8
9
10
10
9
13
17
21

High Clouds (% Sky Obscured)

68
85
100
100
78
100
100
100
100
80
63
45
11
13
19
21
17
13
30
48
67
62
62
57

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
62
60
42
40
45
49
74
83
76
52
35
37
37
33
26
22
8
8
10
0
2
5
0

Precipitation Amount (mm)

0.5
0.3
0.2
0
0
0
0
0.5
0.6
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
8
9
9
9
10
10
10
11
10
11
11
10
11
13
11
9
6
5
4
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
16
16
15
15
16
16
15
15
15
16
15
14
12
13
16
14
13
13
13
13
12
13
13

Relative Humidity (%)

86
95
95
93
95
96
96
90
86
81
86
80
69
59
62
74
72
72
76
82
83
84
87
87

Pressure (mb)

1019
1019
1018
1018
1018
1017
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022

Ozone (du)

301
302
302
306
309
310
311
312
312
311
311
311
310
310
310
313
314
315
311
306
303
301
299
297

Monday 14

Waxing Crescent 13%

11:24

20:31

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

Sun - Rise: 07:12, Set: 19:55, Transit: 13:33. Moon - Rise: 11:24, Set: 20:31. Civil Dark: 20:29 - 06:38. Nautical Dark: 21:10 - 05:57. Astro Dark: 21:54 - 05:13

Total Clouds (% Sky Obscured)

99
98
98
96
94
92
95
93
99
80
75
78
67
59
47
41
41
41
44
49
57
64
55
55

Low Clouds (% Sky Obscured)

45
44
45
50
62
59
51
41
37
41
45
43
42
42
28
22
9
3
5
10
17
25
32
35

Medium Clouds (% Sky Obscured)

21
22
26
23
20
16
16
20
23
20
18
21
18
15
11
12
13
16
19
24
31
32
33
23

High Clouds (% Sky Obscured)

82
63
45
42
40
42
61
71
99
65
55
51
36
19
2
3
3
4
3
1
0
1
2
4

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

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
15
17
18
19
20
21
21
21
22
22
21
19
18
18
17
17
17
17

Feels Like (°C)

17
14
14
14
14
14
15
16
17
17
20
21
21
20
21
20
21
21
22
17
18
18
19
19

Dew Point (°C)

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

Relative Humidity (%)

89
87
87
89
89
90
89
81
74
68
61
57
52
50
48
46
50
55
61
63
64
65
66
67

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021

Ozone (du)

297
295
295
294
292
291
290
287
286
284
282
280
280
281
281
281
282
283
283
285
287
289
288
287

Tuesday 15

Waxing Crescent 21%

12:43

20:50

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

Sun - Rise: 07:13, Set: 19:53, Transit: 13:33. Moon - Rise: 12:43, Set: 20:50. Civil Dark: 20:27 - 06:39. Nautical Dark: 21:08 - 05:58. Astro Dark: 21:51 - 05:15

Total Clouds (% Sky Obscured)

52
49
50
45
44
43
53
44
45
41
52
58
56
62
61
64
70
76
78
78
80
87
93
98

Low Clouds (% Sky Obscured)

42
49
50
45
42
34
32
32
35
39
38
41
37
35
36
40
47
51
38
22
6
12
17
20

Medium Clouds (% Sky Obscured)

19
16
15
13
11
4
4
9
10
12
32
33
24
15
5
13
22
32
48
65
80
85
88
93

High Clouds (% Sky Obscured)

7
9
11
4
2
0
0
0
0
2
7
30
42
40
40
47
62
70
71
71
72
80
85
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
14
16
10
8
1
25
44
71
95
95
95
95
87
45
20
8
0
1
1
0
0
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
1
1.3
1.5
0.9
0.5
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
67
68
68
68
69
71
64
59
54
50
46
43
43
43
43
48
52
56
56
54
53
54
53

Pressure (mb)

1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

287
285
283
281
278
275
272
273
274
274
276
277
279
279
279
280
280
281
281
282
283
284
282
280

Wednesday 16

Waxing Crescent 30%

13:59

21:14

Sun - Rise: 07:15, Set: 19:50, Transit: 13:33. Moon - Rise: 13:59, Set: 21:14. Civil Dark: 20:24 - 06:41. Nautical Dark: 21:05 - 06:00. Astro Dark: 21:48 - 05:17

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 Amersfoort, Gemeente Amersfoort, Netherlands (52.16,5.39)

Generated: 10/09/26 02:01:36. Forecast: 10/09/26 to 16/09/26. Timezone: UTC+2.00