Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Crescent 43%

13:55

22:09

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

Sun - Rise: 07:27, Set: 18:03, Transit: 12:45. Moon - Rise: 13:55, Set: 22:09. Civil Dark: 18:30 - 06:59. Nautical Dark: 19:02 - 06:27. Astro Dark: 19:34 - 05:56

Total Clouds (% Sky Obscured)

13
11
7
0
2
23
20
14
49
68
55
26
72
10
90
95
99
84
72
86
100
96
99
88

Low Clouds (% Sky Obscured)

3
0
0
0
2
16
13
10
18
3
2
3
2
2
20
27
40
33
40
52
84
73
89
58

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
19
13
21
23
26
19

High Clouds (% Sky Obscured)

0
0
0
0
0
3
2
3
37
68
55
25
70
9
78
88
98
75
43
41
41
7
68
54

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
0
0
0
0
0
0
0
1
1
1
2
2
1
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
5
5
5
5
6
8
8
8
9
9
10
11
12
12
12
13
12
12
11
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-3
-5
-3
-3
-2
-2
-2
-1
-1
-1
-1
0
2
2
0
0
1
1
1
2
2
1
1

Relative Humidity (%)

44
44
45
47
50
54
57
58
60
62
64
61
61
59
51
42
40
40
43
44
48
50
50
50

Pressure (mb)

1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1025
1026
1026
1026
1025
1025
1023
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

279
282
281
282
285
285
281
280
279
277
277
277
279
280
282
282
280
279
278
277
277
277
278
277

Tuesday 28

Waxing Crescent 53%

14:29

23:13

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:28, Set: 18:01, Transit: 12:45. Moon - Rise: 14:29, Set: 23:13. Civil Dark: 18:29 - 07:00. Nautical Dark: 19:01 - 06:28. Astro Dark: 19:33 - 05:57

Total Clouds (% Sky Obscured)

96
94
98
98
100
100
100
100
99
98
96
96
96
99
100
100
90
92
97
96
100
97
100
100

Low Clouds (% Sky Obscured)

91
76
81
89
85
78
88
85
93
92
81
90
93
75
91
100
85
86
93
92
100
96
100
100

Medium Clouds (% Sky Obscured)

19
19
21
18
19
27
30
40
44
36
35
28
18
93
97
74
36
67
70
51
78
82
73
88

High Clouds (% Sky Obscured)

57
41
34
38
62
53
10
0
0
0
0
0
25
4
3
9
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
2

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
Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
1
1
1
2
2
2
10
21
6
4
2
9
8
6
10
9
3
6
39
68
60
92
77

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
10
10
10
10
10
10
10
9
9
9
10
10
11
11
11
11
12
12
12
11
11
10

Feels Like (°C)

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

Dew Point (°C)

0
0
1
1
2
3
3
2
2
2
2
2
3
3
3
4
4
4
6
6
7
8
8
9

Relative Humidity (%)

48
49
51
54
55
59
60
58
59
60
61
61
61
60
57
58
60
63
65
65
72
80
84
90

Pressure (mb)

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

Ozone (du)

274
272
271
270
269
270
269
269
269
269
270
271
272
273
271
268
264
263
261
258
254
253
252
252

Wednesday 29

First Quarter 64%

14:58

00:20

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:29, Set: 18:00, Transit: 12:45. Moon - Rise: 14:58, Set: 00:20. Civil Dark: 18:28 - 07:01. Nautical Dark: 19:00 - 06:29. Astro Dark: 19:31 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
100
100
100
100
100
100
100
100
92
86
76
68
62
56
41

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
92
100
92
91
100
90
87
89
73
67
75
75
68
61
56
41

Medium Clouds (% Sky Obscured)

63
46
84
80
60
89
93
86
69
95
94
92
63
47
29
34
100
92
86
76
66
62
0
0

High Clouds (% Sky Obscured)

0
0
0
20
30
3
33
30
35
1
0
0
80
80
80
58
35
24
17
9
0
0
0
0

ISS Passover

Visibility (miles)

9
9
3
3
2
9
3
3
6
1
1
1
1
1
2
1
8
8
9
9
9
9
9
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

67
82
91
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
66
52
76
54

Precipitation Amount (mm)

0.2
0.5
0.2
2.8
2.1
1.1
1.3
1.1
2.8
4.7
4.4
2
1.7
1.4
1.2
3
1.6
0.7
0.6
0.6
0.2
0
0.7
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
9
9
8
7
9
8
8
9
11
12
13
15
16
18
17
17
16
16
17
17
16
14

Dew Point (°C)

9
10
10
10
11
11
11
11
11
12
12
14
14
15
16
16
16
15
15
16
16
16
15
14

Relative Humidity (%)

91
93
93
92
96
95
95
95
95
96
96
98
96
98
98
96
96
83
90
92
93
96
98
98

Pressure (mb)

1017
1016
1016
1015
1014
1012
1012
1011
1010
1009
1008
1007
1006
1005
1004
1003
1002
1001
1000
999
999
998
999
999

Ozone (du)

251
250
248
249
250
251
251
251
253
253
256
257
256
256
259
262
263
261
264
265
270
277
279
284

Thursday 30

Waxing Gibbous 74%

15:24

01:29

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

Sun - Rise: 07:30, Set: 17:59, Transit: 12:44. Moon - Rise: 15:24, Set: 01:29. Civil Dark: 18:27 - 07:02. Nautical Dark: 18:59 - 06:30. Astro Dark: 19:30 - 05:59

Total Clouds (% Sky Obscured)

30
24
28
0
40
80
80
84
71
58
43
50
57
65
47
76
80
69
63
53
38
24
9
6

Low Clouds (% Sky Obscured)

30
24
24
0
30
63
65
72
60
42
31
46
55
63
47
70
75
69
63
53
38
24
9
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
4
10
12
8
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High 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

ISS Passover

Visibility (miles)

5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

Very Light Rain
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 (%)

44
9
5
0
0
0
0
0
3
24
1
0
0
0
3
12
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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
7
7
7
7
7
7
8
8
9
11
11
12
14
15
15
14
14
14
14
13
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
12
11
10
8
7
6
6
6
6
6
5
5
6
5
5
7
6
4
4
3
1
1
-0

Relative Humidity (%)

95
89
87
87
84
83
77
76
78
80
81
74
69
70
60
57
67
62
52
52
49
46
45
45

Pressure (mb)

999
999
999
999
999
999
999
999
999
999
1000
1000
1001
1001
1001
1002
1002
1002
1002
1003
1003
1004
1005
1006

Ozone (du)

288
284
281
278
282
280
278
276
275
276
276
277
281
282
282
282
281
282
281
282
283
284
285
284

Friday 31

Waxing Gibbous 74%

15:48

02:39

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

Sun - Rise: 07:31, Set: 17:58, Transit: 12:44. Moon - Rise: 15:48, Set: 02:39. Civil Dark: 18:26 - 07:03. Nautical Dark: 18:58 - 06:31. Astro Dark: 19:29 - 06:00

Total Clouds (% Sky Obscured)

4
1
2
1
3
3
4
0
0
1
5
5
5
5
8
15
17
25
34
55
44
32
23
45

Low Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
5
5
5
8
15
17
25
34
55
44
26
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
24
36
28
20
10
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
2
2
6
10
14
32

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
48
53
58
58
61
63
64
64
65
66
66
61
57
52
49
46
43
44
44
44
46
51
53

Pressure (mb)

1006
1007
1008
1008
1008
1009
1009
1009
1010
1011
1011
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1016

Ozone (du)

284
283
282
281
279
279
279
279
281
283
282
282
283
283
284
283
281
280
279
278
277
277
276
276

Saturday 1

Waxing Gibbous 83%

15:12

02:51

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

Sun - Rise: 06:32, Set: 16:57, Transit: 11:44. Moon - Rise: 15:12, Set: 02:51. Civil Dark: 17:25 - 06:04. Nautical Dark: 17:57 - 05:32. Astro Dark: 18:28 - 05:01

Total Clouds (% Sky Obscured)

68
88
87
78
71
53
38
38
50
61
61
61
61
69
59
57
55
61
71
79
90
100
84
68

Low Clouds (% Sky Obscured)

0
0
0
2
1
2
0
0
0
0
0
0
2
16
31
45
31
19
7
27
76
95
65
34

Medium Clouds (% Sky Obscured)

34
51
61
70
71
53
38
38
50
61
61
61
61
69
59
29
14
4
0
9
19
28
19
10

High Clouds (% Sky Obscured)

51
69
47
22
6
11
13
2
2
0
0
0
0
0
0
0
0
1
0
0
0
0
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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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
3
4
14
18
22
18
13
0
3
3
1
2
1
1
5
7
7
6
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
55
57
58
59
60
61
61
65
71
78
73
69
66
58
51
44
43
43
42
44
47
50
52

Pressure (mb)

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

Ozone (du)

276
276
276
277
278
283
286
289
292
295
298
298
298
298
296
295
293
295
297
298
301
303
305
306

Sunday 2

Waxing Gibbous 91%

15:38

04:05

21 Bad
22 OK
23 OK
00 Good
01 Good
02 Good
03 Good
04 Good
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:33, Set: 16:56, Transit: 11:44. Moon - Rise: 15:38, Set: 04:05. Civil Dark: 17:24 - 06:05. Nautical Dark: 17:56 - 05:33. Astro Dark: 18:27 - 05:02

Total Clouds (% Sky Obscured)

50
35
22
12
10
7
5
10
21
34
44
51
60
71
82
94

Low Clouds (% Sky Obscured)

5
4
3
2
1
1
0
4
7
10
8
5
3
15
27
39

Medium Clouds (% Sky Obscured)

1
3
5
7
5
2
0
0
0
0
8
17
21
36
50
67

High Clouds (% Sky Obscured)

5
7
10
12
8
4
0
10
21
34
44
30
1
18
36
57

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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
3
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
55
55
56
56
56
57
57
57
57
57
51
46
41
42
42

Pressure (mb)

1020
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1016
1015

Ozone (du)

308
309
307
305
303
302
302
301
296
291
286
284
282
280
282
283

Forecast for Swarthmore, Delaware, United States of America (39.90,-75.35)

Generated: 27/10/25 21:19:41. Forecast: 27/10/25 to 02/11/25. Timezone: UTC-4.00